SUSE Security Update: Security update for libu2f-host
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:1749-1
Rating:             moderate
References:         #1124781 #1128140 #1135727 #1135729 
Cross-References:   CVE-2018-20340 CVE-2019-12209 CVE-2019-12210
                    CVE-2019-9578
Affected Products:
                    SUSE Linux Enterprise Server 12-SP4
                    SUSE Linux Enterprise Desktop 12-SP4
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   An update that fixes four vulnerabilities is now available.

Description:

   This update for libu2f-host and pam_u2f to version 1.0.8 fixes the
   following issues:

   Security issues fixed for libu2f-host:

   - CVE-2019-9578: Fixed a memory leak due to a wrong parse of init's
     response (bsc#1128140).
   - CVE-2018-20340: Fixed an unchecked buffer, which could allow a buffer
     overflow with a custom made malicious USB device (bsc#1124781).

   Security issues fixed for pam_u2f:

   - CVE-2019-12209: Fixed an issue where symlinks in the user's directory
     were followed (bsc#1135729).
   - CVE-2019-12210: Fixed file descriptor leaks (bsc#1135727).


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 12-SP4:

      zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-1749=1

   - SUSE Linux Enterprise Desktop 12-SP4:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-1749=1



Package List:

   - SUSE Linux Enterprise Server 12-SP4 (aarch64 ppc64le s390x x86_64):

      libu2f-host-debugsource-1.1.6-3.5.1
      libu2f-host0-1.1.6-3.5.1
      libu2f-host0-debuginfo-1.1.6-3.5.1
      pam_u2f-1.0.8-3.3.1
      pam_u2f-debuginfo-1.0.8-3.3.1
      pam_u2f-debugsource-1.0.8-3.3.1

   - SUSE Linux Enterprise Desktop 12-SP4 (x86_64):

      libu2f-host-debugsource-1.1.6-3.5.1
      libu2f-host0-1.1.6-3.5.1
      libu2f-host0-debuginfo-1.1.6-3.5.1
      pam_u2f-1.0.8-3.3.1
      pam_u2f-debuginfo-1.0.8-3.3.1
      pam_u2f-debugsource-1.0.8-3.3.1


References:

   https://www.suse.com/security/cve/CVE-2018-20340.html
   https://www.suse.com/security/cve/CVE-2019-12209.html
   https://www.suse.com/security/cve/CVE-2019-12210.html
   https://www.suse.com/security/cve/CVE-2019-9578.html
   https://bugzilla.suse.com/1124781
   https://bugzilla.suse.com/1128140
   https://bugzilla.suse.com/1135727
   https://bugzilla.suse.com/1135729

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