OPENSUSE-SU-2024:0048-1

Vulnerability from csaf_opensuse - Published: 2024-02-14 13:38 - Updated: 2026-09-20 19:48
Summary
Security update for pdns-recursor
Severity
Important
Notes
Title of the patch: Security update for pdns-recursor
Description of the patch: This update for pdns-recursor fixes the following issues: Update to 4.8.6: * fixes case when crafted DNSSEC records in a zone can lead to a denial of service in Recursor https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2024-01.html (boo#1219823, boo#1219826, CVE-2023-50387, CVE-2023-50868) Changes in 4.8.5: * (I)XFR: handle partial read of len prefix. * YaHTTP: Prevent integer overflow on very large chunks. * Fix setting of policy tags for packet cache hits. Changes in 4.8.4: * Deterred spoofing attempts can lead to authoritative servers being marked unavailable (boo#1209897, CVE-2023-26437)
Patchnames: openSUSE-2024-48
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-2023-26437
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Package Hub 15 SP5:pdns-recursor-0:4.8.6-bp155.2.3.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Package Hub 15 SP5:pdns-recursor-0:4.8.6-bp155.2.3.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Package Hub 15 SP5:pdns-recursor-0:4.8.6-bp155.2.3.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.5:pdns-recursor-0:4.8.6-bp155.2.3.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.5:pdns-recursor-0:4.8.6-bp155.2.3.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Leap 15.5:pdns-recursor-0:4.8.6-bp155.2.3.1.x86_64 —
Vendor Fix
Threats
Impact moderate
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 6 products, the same list as for CVE-2023-26437
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 6 products, the same list as for CVE-2023-26437
Threats
Impact important
References
To clipboard 

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      "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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      "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 Package Hub 15 SP5:pdns-recursor-0:4.8.6-bp155.2.3.1.aarch64",
            "SUSE Package Hub 15 SP5:pdns-recursor-0:4.8.6-bp155.2.3.1.ppc64le",
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-02-14T13:38:11Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-50868"
    }
  ]
}



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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.