SUSE Security Update: Security update for stunnel
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Announcement ID:    SUSE-SU-2021:0772-1
Rating:             important
References:         #1177580 #1182529 
Cross-References:   CVE-2021-20230
CVSS scores:
                    CVE-2021-20230 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-20230 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15-SP2
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   An update that solves one vulnerability and has one errata
   is now available.

Description:

   This update for stunnel fixes the following issues:

   - Security fix: [bsc#1177580, bsc#1182529, CVE-2021-20230]
     * "redirect" option does not properly handle "verifyChain =
 yes"


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-SP2:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-772=1



Package List:

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

      stunnel-5.57-3.11.1
      stunnel-debuginfo-5.57-3.11.1
      stunnel-debugsource-5.57-3.11.1


References:

   https://www.suse.com/security/cve/CVE-2021-20230.html
   https://bugzilla.suse.com/1177580
   https://bugzilla.suse.com/1182529