Security update for libevent

Announcement ID: SUSE-SU-2018:0263-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2016-10195 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2016-10195 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2016-10196 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2016-10196 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2016-10197 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2016-10197 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SLES for SAP Applications 11-SP4
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Software Development Kit 11 SP4

An update that solves three vulnerabilities can now be installed.

Description:

This update for libevent fixes the following issues:

  • CVE-2016-10195: DNS remote stack overread vulnerability (bsc#1022917)
  • CVE-2016-10196: stack/buffer overflow in evutil_parse_sockaddr_port() (bsc#1022918) (backport for 2.0.21)
  • CVE-2016-10197: out-of-bounds read in search_make_new() (bsc#1022919)

Patch Instructions:

To install this SUSE 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 Software Development Kit 11 SP4
    zypper in -t patch sdksp4-libevent-13447=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-libevent-13447=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-libevent-13447=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • libevent-devel-1.4.5-24.24.3.1
  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • libevent-1_4-2-1.4.5-24.24.3.1
  • SLES for SAP Applications 11-SP4 (ppc64 x86_64)
    • libevent-1_4-2-1.4.5-24.24.3.1

References: