SUSE Security Update: Security update for ovmf
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:2117-1
Rating:             important
References:         #1177789 #1183578 #1183579 #1186151 
Cross-References:   CVE-2019-14584 CVE-2021-28210 CVE-2021-28211
                   
CVSS scores:
                    CVE-2019-14584 (NVD) : 7.8
 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2019-14584 (SUSE): 4
 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
                    CVE-2021-28210 (SUSE): 5.1
 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
                    CVE-2021-28211 (SUSE): 4.4
 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Products:
                    SUSE Linux Enterprise Server 12-SP2-BCL
______________________________________________________________________________

   An update that solves three vulnerabilities and has one
   errata is now available.

Description:

   This update for ovmf fixes the following issues:

   - Fixed a possible buffer overflow in IScsiDxe (bsc#1186151)
   - CVE-2021-28211: ovmf: edk2: possible heap corruption with
     LzmaUefiDecompressGetInfo (bsc#1183578)
   - CVE-2021-28210: ovmf: unlimited FV recursion, round 2 (bsc#1183579)
   - CVE-2019-14584: ovmf,shim: NULL pointer dereference in
     AuthenticodeVerify() (bsc#1177789)


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-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-2117=1



Package List:

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      ovmf-2015+git1462940744.321151f-19.23.1
      ovmf-tools-2015+git1462940744.321151f-19.23.1

   - SUSE Linux Enterprise Server 12-SP2-BCL (noarch):

      qemu-ovmf-x86_64-2015+git1462940744.321151f-19.23.1


References:

   https://www.suse.com/security/cve/CVE-2019-14584.html
   https://www.suse.com/security/cve/CVE-2021-28210.html
   https://www.suse.com/security/cve/CVE-2021-28211.html
   https://bugzilla.suse.com/1177789
   https://bugzilla.suse.com/1183578
   https://bugzilla.suse.com/1183579
   https://bugzilla.suse.com/1186151