Security update for libidn

Announcement ID:	SUSE-SU-2016:2291-1
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:	SLES for SAP Applications 11-SP4 SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Software Development Kit 11 SP4

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 Software Development Kit 11 SP4
  zypper in -t patch sdksp4-libidn-12739=1
• SUSE Linux Enterprise Server 11 SP4
  zypper in -t patch slessp4-libidn-12739=1
• SLES for SAP Applications 11-SP4
  zypper in -t patch slessp4-libidn-12739=1

Package List:

• SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
  • libidn-devel-1.10-6.1
• SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
  • libidn-1.10-6.1
• SUSE Linux Enterprise Server 11 SP4 (ia64)
  • libidn-x86-1.10-6.1
• SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64)
  • libidn-32bit-1.10-6.1
• SLES for SAP Applications 11-SP4 (ppc64 x86_64)
  • libidn-1.10-6.1
  • libidn-32bit-1.10-6.1

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