CWE-783

Operator Precedence Logic Error

The product uses an expression in which operator precedence causes incorrect logic to be used.

CVE-2024-20314 (GCVE-0-2024-20314)
Vulnerability from cvelistv5
Published
2024-03-27 16:57
Modified
2024-08-01 21:59
CWE
  • CWE-783 - Operator Precedence Logic Error
Summary
A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition.
Impacted products
Vendor Product Version
Cisco Cisco IOS XE Software Version: 16.1.1
Version: 16.1.2
Version: 16.1.3
Version: 16.2.1
Version: 16.2.2
Version: 16.3.1
Version: 16.3.2
Version: 16.3.3
Version: 16.3.1a
Version: 16.3.4
Version: 16.3.5
Version: 16.3.5b
Version: 16.3.6
Version: 16.3.7
Version: 16.3.8
Version: 16.3.9
Version: 16.3.10
Version: 16.3.11
Version: 16.4.1
Version: 16.4.2
Version: 16.4.3
Version: 16.5.1
Version: 16.5.1a
Version: 16.5.1b
Version: 16.5.2
Version: 16.5.3
Version: 16.6.1
Version: 16.6.2
Version: 16.6.3
Version: 16.6.4
Version: 16.6.5
Version: 16.6.4a
Version: 16.6.5a
Version: 16.6.6
Version: 16.6.7
Version: 16.6.8
Version: 16.6.9
Version: 16.6.10
Version: 16.7.1
Version: 16.7.1a
Version: 16.7.1b
Version: 16.7.2
Version: 16.7.3
Version: 16.7.4
Version: 16.8.1
Version: 16.8.1a
Version: 16.8.1b
Version: 16.8.1s
Version: 16.8.1c
Version: 16.8.1d
Version: 16.8.2
Version: 16.8.1e
Version: 16.8.3
Version: 16.9.1
Version: 16.9.2
Version: 16.9.1a
Version: 16.9.1b
Version: 16.9.1s
Version: 16.9.3
Version: 16.9.4
Version: 16.9.3a
Version: 16.9.5
Version: 16.9.5f
Version: 16.9.6
Version: 16.9.7
Version: 16.9.8
Version: 16.10.1
Version: 16.10.1a
Version: 16.10.1b
Version: 16.10.1s
Version: 16.10.1c
Version: 16.10.1e
Version: 16.10.1d
Version: 16.10.2
Version: 16.10.1f
Version: 16.10.1g
Version: 16.10.3
Version: 16.11.1
Version: 16.11.1a
Version: 16.11.1b
Version: 16.11.2
Version: 16.11.1s
Version: 16.12.1
Version: 16.12.1s
Version: 16.12.1a
Version: 16.12.1c
Version: 16.12.1w
Version: 16.12.2
Version: 16.12.1y
Version: 16.12.2a
Version: 16.12.3
Version: 16.12.8
Version: 16.12.2s
Version: 16.12.1x
Version: 16.12.1t
Version: 16.12.4
Version: 16.12.3s
Version: 16.12.3a
Version: 16.12.4a
Version: 16.12.5
Version: 16.12.6
Version: 16.12.1z1
Version: 16.12.5a
Version: 16.12.5b
Version: 16.12.1z2
Version: 16.12.6a
Version: 16.12.7
Version: 16.12.9
Version: 16.12.10
Version: 16.12.10a
Version: 17.1.1
Version: 17.1.1a
Version: 17.1.1s
Version: 17.1.1t
Version: 17.1.3
Version: 17.2.1
Version: 17.2.1r
Version: 17.2.1a
Version: 17.2.1v
Version: 17.2.2
Version: 17.2.3
Version: 17.3.1
Version: 17.3.2
Version: 17.3.3
Version: 17.3.1a
Version: 17.3.1w
Version: 17.3.2a
Version: 17.3.1x
Version: 17.3.1z
Version: 17.3.4
Version: 17.3.5
Version: 17.3.4a
Version: 17.3.6
Version: 17.3.4b
Version: 17.3.4c
Version: 17.3.5a
Version: 17.3.5b
Version: 17.3.7
Version: 17.4.1
Version: 17.4.2
Version: 17.4.1a
Version: 17.4.1b
Version: 17.4.2a
Version: 17.5.1
Version: 17.5.1a
Version: 17.6.1
Version: 17.6.2
Version: 17.6.1w
Version: 17.6.1a
Version: 17.6.1x
Version: 17.6.3
Version: 17.6.1y
Version: 17.6.1z
Version: 17.6.3a
Version: 17.6.4
Version: 17.6.1z1
Version: 17.6.5
Version: 17.6.5a
Version: 17.7.1
Version: 17.7.1a
Version: 17.7.1b
Version: 17.7.2
Version: 17.10.1
Version: 17.10.1a
Version: 17.10.1b
Version: 17.8.1
Version: 17.8.1a
Version: 17.9.1
Version: 17.9.1w
Version: 17.9.2
Version: 17.9.1a
Version: 17.9.1x
Version: 17.9.1y
Version: 17.9.3
Version: 17.9.2a
Version: 17.9.1x1
Version: 17.9.3a
Version: 17.9.4
Version: 17.9.1y1
Version: 17.9.4a
Version: 17.11.1
Version: 17.11.1a
Version: 17.12.1
Version: 17.12.1w
Version: 17.12.1a
Version: 17.11.99SW
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Show details on NVD website


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            "defaultStatus": "unknown",
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            "vendor": "cisco",
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            {
              "status": "affected",
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            },
            {
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              "version": "16.12.10a"
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              "status": "affected",
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              "version": "17.2.1a"
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              "version": "17.2.1v"
            },
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              "status": "affected",
              "version": "17.2.2"
            },
            {
              "status": "affected",
              "version": "17.2.3"
            },
            {
              "status": "affected",
              "version": "17.3.1"
            },
            {
              "status": "affected",
              "version": "17.3.2"
            },
            {
              "status": "affected",
              "version": "17.3.3"
            },
            {
              "status": "affected",
              "version": "17.3.1a"
            },
            {
              "status": "affected",
              "version": "17.3.1w"
            },
            {
              "status": "affected",
              "version": "17.3.2a"
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            {
              "status": "affected",
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            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            },
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            },
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              "status": "affected",
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            {
              "status": "affected",
              "version": "17.4.2"
            },
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              "status": "affected",
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            },
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              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "17.4.2a"
            },
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              "status": "affected",
              "version": "17.5.1"
            },
            {
              "status": "affected",
              "version": "17.5.1a"
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            {
              "status": "affected",
              "version": "17.6.1"
            },
            {
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              "version": "17.6.2"
            },
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              "status": "affected",
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            {
              "status": "affected",
              "version": "17.6.1a"
            },
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
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              "status": "affected",
              "version": "17.7.1a"
            },
            {
              "status": "affected",
              "version": "17.7.1b"
            },
            {
              "status": "affected",
              "version": "17.7.2"
            },
            {
              "status": "affected",
              "version": "17.10.1"
            },
            {
              "status": "affected",
              "version": "17.10.1a"
            },
            {
              "status": "affected",
              "version": "17.10.1b"
            },
            {
              "status": "affected",
              "version": "17.8.1"
            },
            {
              "status": "affected",
              "version": "17.8.1a"
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            {
              "status": "affected",
              "version": "17.9.1"
            },
            {
              "status": "affected",
              "version": "17.9.1w"
            },
            {
              "status": "affected",
              "version": "17.9.2"
            },
            {
              "status": "affected",
              "version": "17.9.1a"
            },
            {
              "status": "affected",
              "version": "17.9.1x"
            },
            {
              "status": "affected",
              "version": "17.9.1y"
            },
            {
              "status": "affected",
              "version": "17.9.3"
            },
            {
              "status": "affected",
              "version": "17.9.2a"
            },
            {
              "status": "affected",
              "version": "17.9.1x1"
            },
            {
              "status": "affected",
              "version": "17.9.3a"
            },
            {
              "status": "affected",
              "version": "17.9.4"
            },
            {
              "status": "affected",
              "version": "17.9.1y1"
            },
            {
              "status": "affected",
              "version": "17.9.4a"
            },
            {
              "status": "affected",
              "version": "17.11.1"
            },
            {
              "status": "affected",
              "version": "17.11.1a"
            },
            {
              "status": "affected",
              "version": "17.12.1"
            },
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              "status": "affected",
              "version": "17.12.1w"
            },
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              "version": "17.12.1a"
            },
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              "version": "17.11.99SW"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-783",
              "description": "Operator Precedence Logic Error",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-27T16:57:27.974Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG",
        "defects": [
          "CSCwh41093"
        ],
        "discovery": "EXTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2024-20314",
    "datePublished": "2024-03-27T16:57:27.974Z",
    "dateReserved": "2023-11-08T15:08:07.632Z",
    "dateUpdated": "2024-08-01T21:59:42.311Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

CVE-2024-20480 (GCVE-0-2024-20480)
Vulnerability from cvelistv5
Published
2024-09-25 16:27
Modified
2024-09-25 19:25
CWE
  • CWE-783 - Operator Precedence Logic Error
Summary
A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access (SD-Access) fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition that requires a manual reload to recover. This vulnerability is due to improper handling of IPv4 DHCP packets. An attacker could exploit this vulnerability by sending certain IPv4 DHCP packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition that requires a manual reload to recover.
Impacted products
Vendor Product Version
Cisco Cisco IOS XE Software Version: 16.1.1
Version: 16.1.2
Version: 16.1.3
Version: 16.2.1
Version: 16.2.2
Version: 16.3.1
Version: 16.3.2
Version: 16.3.3
Version: 16.3.1a
Version: 16.3.4
Version: 16.3.5
Version: 16.3.5b
Version: 16.3.6
Version: 16.3.7
Version: 16.3.8
Version: 16.3.9
Version: 16.3.10
Version: 16.3.11
Version: 16.4.1
Version: 16.4.2
Version: 16.4.3
Version: 16.5.1
Version: 16.5.1a
Version: 16.5.1b
Version: 16.5.2
Version: 16.5.3
Version: 16.6.1
Version: 16.6.2
Version: 16.6.3
Version: 16.6.4
Version: 16.6.5
Version: 16.6.4a
Version: 16.6.5a
Version: 16.6.6
Version: 16.6.7
Version: 16.6.8
Version: 16.6.9
Version: 16.6.10
Version: 16.7.1
Version: 16.7.1a
Version: 16.7.1b
Version: 16.7.2
Version: 16.7.3
Version: 16.7.4
Version: 16.8.1
Version: 16.8.1a
Version: 16.8.1b
Version: 16.8.1s
Version: 16.8.1c
Version: 16.8.1d
Version: 16.8.2
Version: 16.8.1e
Version: 16.8.3
Version: 16.9.1
Version: 16.9.2
Version: 16.9.1a
Version: 16.9.1b
Version: 16.9.1s
Version: 16.9.3
Version: 16.9.4
Version: 16.9.3a
Version: 16.9.5
Version: 16.9.5f
Version: 16.9.6
Version: 16.9.7
Version: 16.9.8
Version: 16.10.1
Version: 16.10.1a
Version: 16.10.1b
Version: 16.10.1s
Version: 16.10.1c
Version: 16.10.1e
Version: 16.10.1d
Version: 16.10.2
Version: 16.10.1f
Version: 16.10.1g
Version: 16.10.3
Version: 16.11.1
Version: 16.11.1a
Version: 16.11.1b
Version: 16.11.2
Version: 16.11.1s
Version: 16.12.1
Version: 16.12.1s
Version: 16.12.1a
Version: 16.12.1c
Version: 16.12.1w
Version: 16.12.2
Version: 16.12.1y
Version: 16.12.2a
Version: 16.12.3
Version: 16.12.8
Version: 16.12.2s
Version: 16.12.1x
Version: 16.12.1t
Version: 16.12.4
Version: 16.12.3s
Version: 16.12.3a
Version: 16.12.4a
Version: 16.12.5
Version: 16.12.6
Version: 16.12.1z1
Version: 16.12.5a
Version: 16.12.5b
Version: 16.12.1z2
Version: 16.12.6a
Version: 16.12.7
Version: 16.12.9
Version: 16.12.10
Version: 16.12.10a
Version: 16.12.11
Version: 17.1.1
Version: 17.1.1a
Version: 17.1.1s
Version: 17.1.1t
Version: 17.1.3
Version: 17.2.1
Version: 17.2.1r
Version: 17.2.1a
Version: 17.2.1v
Version: 17.2.2
Version: 17.2.3
Version: 17.3.1
Version: 17.3.2
Version: 17.3.3
Version: 17.3.1a
Version: 17.3.1w
Version: 17.3.2a
Version: 17.3.1x
Version: 17.3.1z
Version: 17.3.4
Version: 17.3.5
Version: 17.3.4a
Version: 17.3.6
Version: 17.3.4b
Version: 17.3.4c
Version: 17.3.5a
Version: 17.3.5b
Version: 17.3.7
Version: 17.3.8
Version: 17.3.8a
Version: 17.4.1
Version: 17.4.2
Version: 17.4.1a
Version: 17.4.1b
Version: 17.4.2a
Version: 17.5.1
Version: 17.5.1a
Version: 17.6.1
Version: 17.6.2
Version: 17.6.1w
Version: 17.6.1a
Version: 17.6.1x
Version: 17.6.3
Version: 17.6.1y
Version: 17.6.1z
Version: 17.6.3a
Version: 17.6.4
Version: 17.6.1z1
Version: 17.6.5
Version: 17.6.6
Version: 17.6.6a
Version: 17.6.5a
Version: 17.6.7
Version: 17.7.1
Version: 17.7.1a
Version: 17.7.1b
Version: 17.7.2
Version: 17.10.1
Version: 17.10.1a
Version: 17.10.1b
Version: 17.8.1
Version: 17.8.1a
Version: 17.9.1
Version: 17.9.1w
Version: 17.9.2
Version: 17.9.1a
Version: 17.9.1x
Version: 17.9.1y
Version: 17.9.3
Version: 17.9.2a
Version: 17.9.1x1
Version: 17.9.3a
Version: 17.9.4
Version: 17.9.1y1
Version: 17.9.5
Version: 17.9.4a
Version: 17.9.5a
Version: 17.9.5b
Version: 17.11.1
Version: 17.11.1a
Version: 17.12.1
Version: 17.12.1w
Version: 17.12.1a
Version: 17.12.1x
Version: 17.12.2
Version: 17.12.3
Version: 17.12.2a
Version: 17.12.1y
Version: 17.12.3a
Version: 17.13.1
Version: 17.13.1a
Version: 17.14.1
Version: 17.14.1a
Version: 17.11.99SW
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Show details on NVD website


{
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              {
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              {
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              },
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              },
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                "status": "affected",
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              },
              {
                "status": "affected",
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              },
              {
                "status": "affected",
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              },
              {
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              },
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                "status": "affected",
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              },
              {
                "status": "affected",
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              },
              {
                "status": "affected",
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                "status": "affected",
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              {
                "status": "affected",
                "version": "16.9.8"
              },
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              },
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                "version": "16.10.1a"
              },
              {
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                "version": "16.10.1b"
              },
              {
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                "version": "16.10.1s"
              },
              {
                "status": "affected",
                "version": "16.10.1c"
              },
              {
                "status": "affected",
                "version": "16.10.1e"
              },
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              },
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                "id": "CVE-2024-20480",
                "options": [
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                    "Exploitation": "none"
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CVE-2025-27512 (GCVE-0-2025-27512)
Vulnerability from cvelistv5
Published
2025-03-17 14:46
Modified
2025-03-17 15:01
CWE
  • CWE-783 - Operator Precedence Logic Error
  • CWE-863 - Incorrect Authorization
Summary
Zincati is an auto-update agent for Fedora CoreOS hosts. Zincati ships a polkit rule which allows the `zincati` system user to use the actions `org.projectatomic.rpmostree1.deploy` to deploy updates to the system and `org.projectatomic.rpmostree1.finalize-deployment` to reboot the system into the deployed update. Since Zincati v0.0.24, this polkit rule contains a logic error which broadens access of those polkit actions to any unprivileged user rather than just the `zincati` system user. In practice, this means that any unprivileged user with access to the system D-Bus socket is able to deploy older Fedora CoreOS versions (which may have other known vulnerabilities). Note that rpm-ostree enforces that the selected version must be from the same branch the system is currently on so this cannot directly be used to deploy an attacker-controlled update payload. This primarily impacts users running untrusted workloads with access to the system D-Bus socket. Note that in general, untrusted workloads should not be given this access, whether containerized or not. By default, containers do not have access to the system D-Bus socket. The logic error is fixed in Zincati v0.0.30. A workaround is to manually add a following polkit rule, instructions for which are available in the GitHub Security Advisory.
Impacted products
Vendor Product Version
coreos zincati Version: >= 0.0.24, < 0.0.30
Create a notification for this product.
Show details on NVD website


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Mitigation

Phase: Implementation

Description:

  • Regularly wrap sub-expressions in parentheses, especially in security-critical code.

No CAPEC attack patterns related to this CWE.

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