openSUSE Security Update: Security update for dnsmasq
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Announcement ID:    openSUSE-SU-2021:0129-1
Rating:             important
References:         #1176076 #1177077 
Cross-References:   CVE-2020-25681 CVE-2020-25682 CVE-2020-25683
                    CVE-2020-25684 CVE-2020-25685 CVE-2020-25686
                    CVE-2020-25687
Affected Products:
                    openSUSE Leap 15.1
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   An update that fixes 7 vulnerabilities is now available.

Description:

   This update for dnsmasq fixes the following issues:

   - bsc#1177077: Fixed DNSpooq vulnerabilities
   - CVE-2020-25684, CVE-2020-25685, CVE-2020-25686: Fixed multiple Cache
     Poisoning attacks.
   - CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687: Fixed
     multiple potential Heap-based overflows when DNSSEC is enabled.

   - Retry query to other servers on receipt of SERVFAIL rcode (bsc#1176076)

   This update was imported from the SUSE:SLE-15-SP1:Update update project.


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 Leap 15.1:

      zypper in -t patch openSUSE-2021-129=1



Package List:

   - openSUSE Leap 15.1 (i586 x86_64):

      dnsmasq-2.78-lp151.5.6.1
      dnsmasq-debuginfo-2.78-lp151.5.6.1
      dnsmasq-debugsource-2.78-lp151.5.6.1
      dnsmasq-utils-2.78-lp151.5.6.1
      dnsmasq-utils-debuginfo-2.78-lp151.5.6.1


References:

   https://www.suse.com/security/cve/CVE-2020-25681.html
   https://www.suse.com/security/cve/CVE-2020-25682.html
   https://www.suse.com/security/cve/CVE-2020-25683.html
   https://www.suse.com/security/cve/CVE-2020-25684.html
   https://www.suse.com/security/cve/CVE-2020-25685.html
   https://www.suse.com/security/cve/CVE-2020-25686.html
   https://www.suse.com/security/cve/CVE-2020-25687.html
   https://bugzilla.suse.com/1176076
   https://bugzilla.suse.com/1177077