SUSE Security Update: Security update for redis
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:1652-1
Rating:             important
References:         #1182657 #1185729 #1185730 
Cross-References:   CVE-2021-21309 CVE-2021-29477 CVE-2021-29478
                   
CVSS scores:
                    CVE-2021-21309 (NVD) : 8.8
 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-21309 (SUSE): 7.4
 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
                    CVE-2021-29477 (NVD) : 8.8
 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-29477 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-29478 (NVD) : 8.8
 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-29478 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15-SP3
                    SUSE Linux Enterprise Module for Server Applications 15-SP2
______________________________________________________________________________

   An update that fixes three vulnerabilities is now available.

Description:

   This update for redis fixes the following issues:

   redis was updated to 6.0.13:

   * CVE-2021-29477: Integer overflow in STRALGO LCS command (bsc#1185729)
   * CVE-2021-29478: Integer overflow in COPY command for large intsets
     (bsc#1185730)
   * Cluster: Skip unnecessary check which may prevent failure detection
   * Fix performance regression in BRPOP on Redis 6.0
   * Fix edge-case when a module client is unblocked

   redis 6.0.12:

   * Fix compilation error on non-glibc systems if jemalloc is not used

   redis 6.0.11:

   * CVE-2021-21309: Avoid 32-bit overflows when proto-max-bulk-len is set
     high (bsc#1182657)
   * Fix handling of threaded IO and CLIENT PAUSE (failover), could lead to
     data loss or a crash
   * Fix the selection of a random element from large hash tables
   * Fix broken protocol in client tracking tracking-redir-broken message
   * XINFO able to access expired keys on a replica
   * Fix broken protocol in redis-benchmark when used with -a or
     --dbnum
   * Avoid assertions (on older kernels) when testing arm64 CoW bug
   * CONFIG REWRITE should honor umask settings
   * Fix firstkey,lastkey,step in COMMAND command for some commands
   * RM_ZsetRem: Delete key if empty, the bug could leave empty zset keys

   - Switch systemd type of the sentinel service from notify to simple. This
     can be reverted when updating to 6.2 which fixes
     https://github.com/redis/redis/issues/7284 .


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 Module for Server Applications 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2021-1652=1

   - SUSE Linux Enterprise Module for Server Applications 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-1652=1



Package List:

   - SUSE Linux Enterprise Module for Server Applications 15-SP3 (aarch64
 ppc64le s390x x86_64):

      redis-6.0.13-1.10.1
      redis-debuginfo-6.0.13-1.10.1
      redis-debugsource-6.0.13-1.10.1

   - SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64
 ppc64le s390x x86_64):

      redis-6.0.13-1.10.1
      redis-debuginfo-6.0.13-1.10.1
      redis-debugsource-6.0.13-1.10.1


References:

   https://www.suse.com/security/cve/CVE-2021-21309.html
   https://www.suse.com/security/cve/CVE-2021-29477.html
   https://www.suse.com/security/cve/CVE-2021-29478.html
   https://bugzilla.suse.com/1182657
   https://bugzilla.suse.com/1185729
   https://bugzilla.suse.com/1185730