suse-su-2022:2806-1
Vulnerability from csaf_suse
Published
2022-08-15 08:01
Modified
2022-08-15 08:01
Summary
Security update for open-iscsi

Notes

Title of the patch
Security update for open-iscsi
Description of the patch
This update for open-iscsi fixes the following issues: Fixed various vulnerabilities in the embedded TCP/IP stack (bsc#1179908): - CVE-2020-13987: Fixed an out of bounds memory access when calculating the checksums for IP packets. - CVE-2020-13988: Fixed an integer overflow when parsing TCP MSS options of IPv4 network packets. - CVE-2020-17437: Fixed an out of bounds memory access when the TCP urgent flag is set.
Patchnames
SUSE-2022-2806,SUSE-SLE-SERVER-12-SP3-BCL-2022-2806
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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      "text": "important"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
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        "title": "Title of the patch"
      },
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        "text": "This update for open-iscsi fixes the following issues:\n\nFixed various vulnerabilities in the embedded TCP/IP stack (bsc#1179908):\n - CVE-2020-13987: Fixed an out of bounds memory access when\n   calculating the checksums for IP packets.\n - CVE-2020-13988: Fixed an integer overflow when parsing TCP MSS\n   options of IPv4 network packets.\n - CVE-2020-17437: Fixed an out of bounds memory access when the TCP\n   urgent flag is set.\n",
        "title": "Description of the patch"
      },
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        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
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  "vulnerabilities": [
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          "text": "https://www.suse.com/security/cve/CVE-2020-13987"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c.",
          "title": "CVE description"
        }
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        }
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            "SUSE Linux Enterprise Server 12 SP3-BCL:open-iscsi-2.0.876-53.34.1.x86_64"
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      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.1"
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          "products": [
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            "SUSE Linux Enterprise Server 12 SP3-BCL:open-iscsi-2.0.876-53.34.1.x86_64"
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        }
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          "category": "impact",
          "date": "2022-08-15T08:01:18Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-13987"
    },
    {
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2020-13988"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Contiki through 3.0. An Integer Overflow exists in the uIP TCP/IP Stack component when parsing TCP MSS options of IPv4 network packets in uip_process in net/ipv4/uip.c.",
          "title": "CVE description"
        }
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            "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"
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          "date": "2022-08-15T08:01:18Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-13988"
    },
    {
      "cve": "CVE-2020-17437",
      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-17437"
        }
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        {
          "category": "general",
          "text": "An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. When the Urgent flag is set in a TCP packet, and the stack is configured to ignore the urgent data, the stack attempts to use the value of the Urgent pointer bytes to separate the Urgent data from the normal data, by calculating the offset at which the normal data should be present in the global buffer. However, the length of this offset is not checked; therefore, for large values of the Urgent pointer bytes, the data pointer can point to memory that is way beyond the data buffer in uip_process in uip.c.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP3-BCL:iscsiuio-0.7.8.2-53.34.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP3-BCL:libopeniscsiusr0_2_0-2.0.876-53.34.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP3-BCL:open-iscsi-2.0.876-53.34.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-17437",
          "url": "https://www.suse.com/security/cve/CVE-2020-17437"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1179907 for CVE-2020-17437",
          "url": "https://bugzilla.suse.com/1179907"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1179908 for CVE-2020-17437",
          "url": "https://bugzilla.suse.com/1179908"
        }
      ],
      "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 Linux Enterprise Server 12 SP3-BCL:iscsiuio-0.7.8.2-53.34.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP3-BCL:libopeniscsiusr0_2_0-2.0.876-53.34.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP3-BCL:open-iscsi-2.0.876-53.34.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP3-BCL:iscsiuio-0.7.8.2-53.34.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP3-BCL:libopeniscsiusr0_2_0-2.0.876-53.34.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP3-BCL:open-iscsi-2.0.876-53.34.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-08-15T08:01:18Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-17437"
    }
  ]
}


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