Security update for libidn

Announcement ID:	SUSE-SU-2016:2079-1
Rating:	moderate
References:	bsc#923241 bsc#990189 bsc#990190 bsc#990191
Cross-References:	CVE-2015-2059 CVE-2015-8948 CVE-2016-6261 CVE-2016-6262 CVE-2016-6263
CVSS scores:	CVE-2015-8948 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2016-6261 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2016-6262 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2016-6263 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise Desktop 12 SP1 SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP1 SUSE Linux Enterprise Software Development Kit 12 SP1

An update that solves five vulnerabilities can now be installed.

Description:

This update for libidn fixes the following issues:

• CVE-2016-6262 and CVE-2015-8948: Out-of-bounds-read when reading one zero byte as input (bsc#990189)

• CVE-2016-6261: Out-of-bounds stack read in idna_to_ascii_4i (bsc#990190)

• CVE-2016-6263: stringprep_utf8_nfkc_normalize reject invalid UTF-8 (bsc#990191)

• CVE-2015-2059: out-of-bounds read with stringprep on invalid UTF-8 (bsc#923241)

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 Desktop 12 SP1
  zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-1228=1
• SUSE Linux Enterprise Software Development Kit 12 SP1
  zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-1228=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP1
  zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-1228=1
• SUSE Linux Enterprise Server 12 SP1
  zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-1228=1

Package List:

• SUSE Linux Enterprise Desktop 12 SP1 (x86_64)
  • libidn11-1.28-4.1
  • libidn11-debuginfo-1.28-4.1
  • libidn-debugsource-1.28-4.1
  • libidn11-debuginfo-32bit-1.28-4.1
  • libidn11-32bit-1.28-4.1
• SUSE Linux Enterprise Software Development Kit 12 SP1 (ppc64le s390x x86_64)
  • libidn-debugsource-1.28-4.1
  • libidn-devel-1.28-4.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP1 (ppc64le x86_64)
  • libidn11-1.28-4.1
  • libidn11-debuginfo-1.28-4.1
  • libidn-debugsource-1.28-4.1
  • libidn-tools-1.28-4.1
  • libidn-tools-debuginfo-1.28-4.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP1 (x86_64)
  • libidn11-debuginfo-32bit-1.28-4.1
  • libidn11-32bit-1.28-4.1
• SUSE Linux Enterprise Server 12 SP1 (ppc64le s390x x86_64)
  • libidn11-1.28-4.1
  • libidn11-debuginfo-1.28-4.1
  • libidn-debugsource-1.28-4.1
  • libidn-tools-1.28-4.1
  • libidn-tools-debuginfo-1.28-4.1
• SUSE Linux Enterprise Server 12 SP1 (s390x x86_64)
  • libidn11-debuginfo-32bit-1.28-4.1
  • libidn11-32bit-1.28-4.1

References:

• https://www.suse.com/security/cve/CVE-2015-2059.html
• https://www.suse.com/security/cve/CVE-2015-8948.html
• https://www.suse.com/security/cve/CVE-2016-6261.html
• https://www.suse.com/security/cve/CVE-2016-6262.html
• https://www.suse.com/security/cve/CVE-2016-6263.html
• https://bugzilla.suse.com/show_bug.cgi?id=923241
• https://bugzilla.suse.com/show_bug.cgi?id=990189
• https://bugzilla.suse.com/show_bug.cgi?id=990190
• https://bugzilla.suse.com/show_bug.cgi?id=990191