suse-su-2025:0130-1
Vulnerability from csaf_suse
Published
2025-01-15 13:26
Modified
2025-01-15 13:26
Summary
Security update for dnsmasq

Notes

Title of the patch
Security update for dnsmasq
Description of the patch
This update for dnsmasq fixes the following issues: - Version update to 2.90: - CVE-2023-50387: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses. (bsc#1219823) - CVE-2023-50868: Fixed a Denial Of Service while trying to validate specially crafted DNSSEC responses. (bsc#1219826)
Patchnames
SUSE-2025-130,SUSE-SLE-Product-HPC-15-SP3-LTSS-2025-130,SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-130,SUSE-SLE-Product-SLES_SAP-15-SP3-2025-130,SUSE-SUSE-MicroOS-5.1-2025-130,SUSE-SUSE-MicroOS-5.2-2025-130,SUSE-Storage-7.1-2025-130
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

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  "vulnerabilities": [
    {
      "cve": "CVE-2023-50387",
      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2023-50387"
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      "notes": [
        {
          "category": "general",
          "text": "Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the \"KeyTrap\" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.",
          "title": "CVE description"
        }
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          "category": "external",
          "summary": "SUSE Bug 1220717 for CVE-2023-50387",
          "url": "https://bugzilla.suse.com/1220717"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221586 for CVE-2023-50387",
          "url": "https://bugzilla.suse.com/1221586"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Enterprise Storage 7.1:dnsmasq-2.90-150100.7.28.1.aarch64",
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            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.ppc64le",
            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.s390x",
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            "SUSE Linux Enterprise Server for SAP Applications 15 SP3:dnsmasq-2.90-150100.7.28.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.x86_64",
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            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.ppc64le",
            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.s390x",
            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.x86_64",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-01-15T13:26:53Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-50387"
    },
    {
      "cve": "CVE-2023-50868",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-50868"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC responses in a random subdomain attack, aka the \"NSEC3\" issue. The RFC 5155 specification implies that an algorithm must perform thousands of iterations of a hash function in certain situations.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Enterprise Storage 7.1:dnsmasq-2.90-150100.7.28.1.x86_64",
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          "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.ppc64le",
          "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.s390x",
          "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 15 SP3:dnsmasq-2.90-150100.7.28.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 15 SP3:dnsmasq-2.90-150100.7.28.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-50868",
          "url": "https://www.suse.com/security/cve/CVE-2023-50868"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1219823 for CVE-2023-50868",
          "url": "https://bugzilla.suse.com/1219823"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1219826 for CVE-2023-50868",
          "url": "https://bugzilla.suse.com/1219826"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221586 for CVE-2023-50868",
          "url": "https://bugzilla.suse.com/1221586"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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            "SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.x86_64",
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            "SUSE Linux Enterprise Micro 5.1:dnsmasq-2.90-150100.7.28.1.s390x",
            "SUSE Linux Enterprise Micro 5.1:dnsmasq-2.90-150100.7.28.1.x86_64",
            "SUSE Linux Enterprise Micro 5.2:dnsmasq-2.90-150100.7.28.1.aarch64",
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            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.aarch64",
            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.ppc64le",
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            "SUSE Linux Enterprise Server for SAP Applications 15 SP3:dnsmasq-2.90-150100.7.28.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          },
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            "SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.x86_64",
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            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.ppc64le",
            "SUSE Linux Enterprise Server 15 SP3-LTSS:dnsmasq-2.90-150100.7.28.1.s390x",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-01-15T13:26:53Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-50868"
    }
  ]
}


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