Security update for liblouis

Announcement ID: SUSE-SU-2017:2590-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2017-13739 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2017-13739 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2017-13740 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2017-13740 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2017-13741 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2017-13741 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2017-13743 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2017-13743 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products:
  • SLES for SAP Applications 11-SP4
  • SUSE Linux Enterprise Server 11 SP4

An update that solves four vulnerabilities and has one security fix can now be installed.

Description:

This update for liblouis fixes several issues.

These security issues were fixed:

  • CVE-2017-13739: Prevent heap-based buffer overflow in the function resolveSubtable() that could have caused DoS or remote code execution (bsc#1056101)
  • CVE-2017-13740: Prevent stack-based buffer overflow in the function parseChars() that could have caused DoS or possibly unspecified other impact (bsc#1056097) ()
  • CVE-2017-13741: Prevent use-after-free in function compileBrailleIndicator() that allowed to cause remote DoS (bsc#1056095)
  • CVE_2017-13742: Prevent stack-based buffer overflow in function includeFile that allowed to cause remote DoS (bsc#1056093).
  • CVE-2017-13743: Prevent buffer overflow triggered in the function _lou_showString() that allowed to cause remote DoS (bsc#1056090)

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 Server 11 SP4
    zypper in -t patch slessp4-liblouis-13291=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-liblouis-13291=1

Package List:

  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • liblouis0-1.7.0-1.3.3.1
    • liblouis-1.7.0-1.3.3.1
    • python-louis-1.7.0-1.3.3.1
  • SLES for SAP Applications 11-SP4 (ppc64 x86_64)
    • liblouis0-1.7.0-1.3.3.1
    • liblouis-1.7.0-1.3.3.1
    • python-louis-1.7.0-1.3.3.1

References: