SUSE Security Update: Security update for dnsmasq
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Announcement ID:    SUSE-SU-2022:14941-1
Rating:             important
References:         #1183709 #1197872 
Cross-References:   CVE-2021-3448 CVE-2022-0934
CVSS scores:
                    CVE-2021-3448 (NVD) : 4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
                    CVE-2021-3448 (SUSE): 4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
                    CVE-2022-0934 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected Products:
                    SUSE Linux Enterprise Debuginfo 11-SP4
                    SUSE Linux Enterprise Server 11-SP4-LTSS
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   An update that fixes two vulnerabilities is now available.

Description:

   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).


Patch Instructions:

   To install this SUSE 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:

   - SUSE Linux Enterprise Server 11-SP4-LTSS:

      zypper in -t patch slessp4-dnsmasq-14941=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-dnsmasq-14941=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):

      dnsmasq-2.78-0.17.18.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):

      dnsmasq-debuginfo-2.78-0.17.18.1
      dnsmasq-debugsource-2.78-0.17.18.1


References:

   https://www.suse.com/security/cve/CVE-2021-3448.html
   https://www.suse.com/security/cve/CVE-2022-0934.html
   https://bugzilla.suse.com/1183709
   https://bugzilla.suse.com/1197872