openSUSE Security Update: Security update for pdns-recursor
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Announcement ID:    openSUSE-SU-2024:0048-1
Rating:             important
References:         #1209897 #1219823 #1219826 
Cross-References:   CVE-2023-26437 CVE-2023-50387 CVE-2023-50868
                   
CVSS scores:
                    CVE-2023-26437 (NVD) : 3.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L
                    CVE-2023-50387 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2023-50868 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
                    openSUSE Backports SLE-15-SP5
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   An update that fixes three vulnerabilities is now available.

Description:

   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
        4-01.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)


Patch Instructions:

   To install this openSUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - openSUSE Backports SLE-15-SP5:

      zypper in -t patch openSUSE-2024-48=1



Package List:

   - openSUSE Backports SLE-15-SP5 (aarch64 ppc64le x86_64):

      pdns-recursor-4.8.6-bp155.2.3.1


References:

   https://www.suse.com/security/cve/CVE-2023-26437.html
   https://www.suse.com/security/cve/CVE-2023-50387.html
   https://www.suse.com/security/cve/CVE-2023-50868.html
   https://bugzilla.suse.com/1209897
   https://bugzilla.suse.com/1219823
   https://bugzilla.suse.com/1219826