RHSA-2024:1781

Vulnerability from csaf_opensuse - Published: 2024-04-11 00:00 - Updated: 2026-09-20 11:37
Summary
security update for bind9.16
Severity
Low
Notes
Title of the patch: security update for bind9.16
Description of the patch: This security update provides a functional equivalent of RHSA-2024:1781. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2024:1781.
Patchnames: RHSA-2024:1781
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2023-4408
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 8:bind9.16-32:9.16.23-0.16.el8_9.2.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-chroot-32:9.16.23-0.16.el8_9.2.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-devel-32:9.16.23-0.16.el8_9.2.i686 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-devel-32:9.16.23-0.16.el8_9.2.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-dnssec-utils-32:9.16.23-0.16.el8_9.2.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-doc-32:9.16.23-0.16.el8_9.2.noarch —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-libs-32:9.16.23-0.16.el8_9.2.i686 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-libs-32:9.16.23-0.16.el8_9.2.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-license-32:9.16.23-0.16.el8_9.2.noarch —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:bind9.16-utils-32:9.16.23-0.16.el8_9.2.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:python3-bind9.16-32:9.16.23-0.16.el8_9.2.noarch —
Vendor Fix
Threats
Impact important
CVE-2023-50387
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 11 products, the same list as for CVE-2023-4408
Threats
Impact important
CVE-2023-50868
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 11 products, the same list as for CVE-2023-4408
Threats
Impact important
CVE-2023-5517
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 11 products, the same list as for CVE-2023-4408
Threats
Impact important
CVE-2023-5679
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 11 products, the same list as for CVE-2023-4408
Threats
Impact important
CVE-2023-6516
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 11 products, the same list as for CVE-2023-4408
Threats
Impact important
References
To clipboard 

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          "text": "The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers.\nThis issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.",
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          "category": "external",
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        {
          "category": "external",
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        },
        {
          "category": "external",
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        }
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    },
    {
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      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-50387"
        }
      ],
      "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",
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            "baseScore": 7.5,
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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      "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": {
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          "summary": "CVE-2023-50868",
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    },
    {
      "cve": "CVE-2023-5517",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-5517"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw in query-handling code can cause `named` to exit prematurely with an assertion failure when:\n\n  - `nxdomain-redirect \u003cdomain\u003e;` is configured, and\n  - the resolver receives a PTR query for an RFC 1918 address that would normally result in an authoritative NXDOMAIN response.\nThis issue affects BIND 9 versions 9.12.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.",
          "title": "CVE description"
        }
      ],
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          "summary": "CVE-2023-5517",
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          "url": "https://bugzilla.suse.com/1219852"
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    },
    {
      "cve": "CVE-2023-5679",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-5679"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A bad interaction between DNS64 and serve-stale may cause `named` to crash with an assertion failure during recursive resolution, when both of these features are enabled.\nThis issue affects BIND 9 versions 9.16.12 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.12-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.",
          "title": "CVE description"
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        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-5679",
          "url": "https://www.suse.com/security/cve/CVE-2023-5679"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1219853 for CVE-2023-5679",
          "url": "https://bugzilla.suse.com/1219853"
        }
      ],
      "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 Liberty Linux 8:bind9.16-32:9.16.23-0.16.el8_9.2.x86_64",
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          ]
        }
      ],
      "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 Liberty Linux 8:bind9.16-utils-32:9.16.23-0.16.el8_9.2.x86_64",
            "SUSE Liberty Linux 8:python3-bind9.16-32:9.16.23-0.16.el8_9.2.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-04-11T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-5679"
    },
    {
      "cve": "CVE-2023-6516",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-6516"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "To keep its cache database efficient, `named` running as a recursive resolver occasionally attempts to clean up the database. It uses several methods, including some that are asynchronous: a small chunk of memory pointing to the cache element that can be cleaned up is first allocated and then queued for later processing. It was discovered that if the resolver is continuously processing query patterns triggering this type of cache-database maintenance, `named` may not be able to handle the cleanup events in a timely manner. This in turn enables the list of queued cleanup events to grow infinitely large over time, allowing the configured `max-cache-size` limit to be significantly exceeded.\nThis issue affects BIND 9 versions 9.16.0 through 9.16.45 and 9.16.8-S1 through 9.16.45-S1.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 8:bind9.16-32:9.16.23-0.16.el8_9.2.x86_64",
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-6516",
          "url": "https://www.suse.com/security/cve/CVE-2023-6516"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1219854 for CVE-2023-6516",
          "url": "https://bugzilla.suse.com/1219854"
        }
      ],
      "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 Liberty Linux 8:python3-bind9.16-32:9.16.23-0.16.el8_9.2.noarch"
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      ],
      "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": [
            "SUSE Liberty Linux 8:bind9.16-32:9.16.23-0.16.el8_9.2.x86_64",
            "SUSE Liberty Linux 8:bind9.16-chroot-32:9.16.23-0.16.el8_9.2.x86_64",
            "SUSE Liberty Linux 8:bind9.16-devel-32:9.16.23-0.16.el8_9.2.i686",
            "SUSE Liberty Linux 8:bind9.16-devel-32:9.16.23-0.16.el8_9.2.x86_64",
            "SUSE Liberty Linux 8:bind9.16-dnssec-utils-32:9.16.23-0.16.el8_9.2.x86_64",
            "SUSE Liberty Linux 8:bind9.16-doc-32:9.16.23-0.16.el8_9.2.noarch",
            "SUSE Liberty Linux 8:bind9.16-libs-32:9.16.23-0.16.el8_9.2.i686",
            "SUSE Liberty Linux 8:bind9.16-libs-32:9.16.23-0.16.el8_9.2.x86_64",
            "SUSE Liberty Linux 8:bind9.16-license-32:9.16.23-0.16.el8_9.2.noarch",
            "SUSE Liberty Linux 8:bind9.16-utils-32:9.16.23-0.16.el8_9.2.x86_64",
            "SUSE Liberty Linux 8:python3-bind9.16-32:9.16.23-0.16.el8_9.2.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-04-11T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-6516"
    }
  ]
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.