suse-su-2022:14940-1
Vulnerability from csaf_suse
Published
2022-04-21 12:55
Modified
2022-04-21 12:55
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: - CVE-2021-3448: Fixed a potential DNS cache poisoning issue due to a constant outgoing port being used when for certain use cases of the --server option (bsc#1183709). - CVE-2022-0934: Fixed an invalid memory access that could lead to remote denial of service via crafted packet (bsc#1197872). Non-security fixes: - Removed cache size limit (bsc#1138743).
Patchnames
sleposp3-dnsmasq-14940
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 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for dnsmasq",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for dnsmasq fixes the following issues:\n\n- CVE-2021-3448: Fixed a potential DNS cache poisoning issue due to a constant\n  outgoing port being used when for certain use cases of the --server option\n  (bsc#1183709).\n- CVE-2022-0934: Fixed an invalid memory access that could lead to remote denial\n  of service via crafted packet (bsc#1197872).\n\nNon-security fixes:\n\n- Removed cache size limit (bsc#1138743).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "sleposp3-dnsmasq-14940",
        "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": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2022_14940-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2022:14940-1",
        "url": "https://www.suse.com/support/update/announcement/2022/suse-su-202214940-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2022:14940-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-April/010783.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1138743",
        "url": "https://bugzilla.suse.com/1138743"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1183709",
        "url": "https://bugzilla.suse.com/1183709"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1197872",
        "url": "https://bugzilla.suse.com/1197872"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2021-3448 page",
        "url": "https://www.suse.com/security/cve/CVE-2021-3448/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2022-0934 page",
        "url": "https://www.suse.com/security/cve/CVE-2022-0934/"
      }
    ],
    "title": "Security update for dnsmasq",
    "tracking": {
      "current_release_date": "2022-04-21T12:55:50Z",
      "generator": {
        "date": "2022-04-21T12:55:50Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2022:14940-1",
      "initial_release_date": "2022-04-21T12:55:50Z",
      "revision_history": [
        {
          "date": "2022-04-21T12:55:50Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "dnsmasq-2.78-0.16.17.1.i586",
                "product": {
                  "name": "dnsmasq-2.78-0.16.17.1.i586",
                  "product_id": "dnsmasq-2.78-0.16.17.1.i586"
                }
              }
            ],
            "category": "architecture",
            "name": "i586"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Point of Sale 11 SP3",
                "product": {
                  "name": "SUSE Linux Enterprise Point of Sale 11 SP3",
                  "product_id": "SUSE Linux Enterprise Point of Sale 11 SP3",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-pos:11:sp3"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dnsmasq-2.78-0.16.17.1.i586 as component of SUSE Linux Enterprise Point of Sale 11 SP3",
          "product_id": "SUSE Linux Enterprise Point of Sale 11 SP3:dnsmasq-2.78-0.16.17.1.i586"
        },
        "product_reference": "dnsmasq-2.78-0.16.17.1.i586",
        "relates_to_product_reference": "SUSE Linux Enterprise Point of Sale 11 SP3"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-3448",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-3448"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in dnsmasq in versions before 2.85. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while forwarding queries. An attacker on the network, able to find the outgoing port used by dnsmasq, only needs to guess the random transmission ID to forge a reply and get it accepted by dnsmasq. This flaw makes a DNS Cache Poisoning attack much easier. The highest threat from this vulnerability is to data integrity.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Point of Sale 11 SP3:dnsmasq-2.78-0.16.17.1.i586"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-3448",
          "url": "https://www.suse.com/security/cve/CVE-2021-3448"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1183709 for CVE-2021-3448",
          "url": "https://bugzilla.suse.com/1183709"
        }
      ],
      "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 Point of Sale 11 SP3:dnsmasq-2.78-0.16.17.1.i586"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Point of Sale 11 SP3:dnsmasq-2.78-0.16.17.1.i586"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-04-21T12:55:50Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2021-3448"
    },
    {
      "cve": "CVE-2022-0934",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2022-0934"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Point of Sale 11 SP3:dnsmasq-2.78-0.16.17.1.i586"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2022-0934",
          "url": "https://www.suse.com/security/cve/CVE-2022-0934"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1197872 for CVE-2022-0934",
          "url": "https://bugzilla.suse.com/1197872"
        }
      ],
      "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 Point of Sale 11 SP3:dnsmasq-2.78-0.16.17.1.i586"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Point of Sale 11 SP3:dnsmasq-2.78-0.16.17.1.i586"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-04-21T12:55:50Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2022-0934"
    }
  ]
}


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