ESB-2019.0115 - [UNIX/Linux][SUSE] haproxy: Multiple vulnerabilities - 2019-01-11


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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0115
             SUSE Security Update: Security update for haproxy
                              11 January 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           haproxy
Publisher:         SUSE
Operating System:  SUSE
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
                   Denial of Service        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-20103 CVE-2018-20102 

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-20190061-1/

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than SUSE. It is recommended that administrators 
         running haproxy check for an updated version of the software for 
         their operating system.

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   SUSE Security Update: Security update for haproxy
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:0061-1
Rating:             important
References:         #1119368 #1119419 
Cross-References:   CVE-2018-20102 CVE-2018-20103
Affected Products:
                    SUSE Linux Enterprise High Availability 15
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:

   This update for haproxy to version 1.8.15 fixes the following issues:

   Security issues fixed:

   - CVE-2018-20102: Fixed an out-of-bounds read in
     dns_validate_dns_response(), which allowed for memory disclosure
     (bsc#1119368)
   - CVE-2018-20103: Fixed an infinite recursion via crafted packet allows
     stack exhaustion and denial of service (bsc#1119419)

   Other notable bug fixes:

   - Fix off-by-one write in dns_validate_dns_response()
   - Fix out-of-bounds read via signedness error in
     dns_validate_dns_response()
   - Prevent out-of-bounds read in dns_validate_dns_response()
   - Prevent out-of-bounds read in dns_read_name()
   - Prevent stack-exhaustion via recursion loop in dns_read_name

   For a full list of changes, please refer to:
   https://www.haproxy.org/download/1.8/src/CHANGELOG


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 High Availability 15:

      zypper in -t patch SUSE-SLE-Product-HA-15-2019-61=1



Package List:

   - SUSE Linux Enterprise High Availability 15 (aarch64 ppc64le s390x x86_64):

      haproxy-1.8.15~git0.6b6a350a-3.6.2
      haproxy-debuginfo-1.8.15~git0.6b6a350a-3.6.2
      haproxy-debugsource-1.8.15~git0.6b6a350a-3.6.2


References:

   https://www.suse.com/security/cve/CVE-2018-20102.html
   https://www.suse.com/security/cve/CVE-2018-20103.html
   https://bugzilla.suse.com/1119368
   https://bugzilla.suse.com/1119419

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