Security update for w3m

Announcement ID:	SUSE-SU-2019:0776-1
Rating:	moderate
References:	bsc#1077559 bsc#1077568 bsc#1077572
Cross-References:	CVE-2018-6196 CVE-2018-6197 CVE-2018-6198
CVSS scores:	CVE-2018-6196 ( SUSE ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2018-6196 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2018-6197 ( SUSE ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2018-6197 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2018-6198 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVE-2018-6198 ( NVD ): 4.7 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Products:	SUSE Linux Enterprise Desktop 12 SP3 SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4

An update that solves three vulnerabilities can now be installed.

Description:

This update for w3m fixes several issues.

These security issues were fixed:

• CVE-2018-6196: Prevent infinite recursion in HTMLlineproc0 caused by the feed_table_block_tag function which did not prevent a negative indent value (bsc#1077559)
• CVE-2018-6197: Prevent NULL pointer dereference in formUpdateBuffer (bsc#1077568)
• CVE-2018-6198: w3m did not properly handle temporary files when the ~/.w3m directory is unwritable, which allowed a local attacker to craft a symlink attack to overwrite arbitrary files (bsc#1077572)

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 SP3
  zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2019-776=1
• SUSE Linux Enterprise Desktop 12 SP4
  zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-776=1
• SUSE Linux Enterprise Server 12 SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-776=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-776=1
• SUSE Linux Enterprise High Performance Computing 12 SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-776=1
• SUSE Linux Enterprise High Performance Computing 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-776=1
• SUSE Linux Enterprise Server 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-776=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-776=1

Package List:

• SUSE Linux Enterprise Desktop 12 SP3 (x86_64)
  • w3m-0.5.3.git20161120-161.3.4
  • w3m-debuginfo-0.5.3.git20161120-161.3.4
  • w3m-debugsource-0.5.3.git20161120-161.3.4
• SUSE Linux Enterprise Desktop 12 SP4 (x86_64)
  • w3m-0.5.3.git20161120-161.3.4
  • w3m-debuginfo-0.5.3.git20161120-161.3.4
  • w3m-debugsource-0.5.3.git20161120-161.3.4
• SUSE Linux Enterprise Server 12 SP3 (aarch64 ppc64le s390x x86_64)
  • w3m-0.5.3.git20161120-161.3.4
  • w3m-debuginfo-0.5.3.git20161120-161.3.4
  • w3m-debugsource-0.5.3.git20161120-161.3.4
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • w3m-0.5.3.git20161120-161.3.4
  • w3m-debuginfo-0.5.3.git20161120-161.3.4
  • w3m-debugsource-0.5.3.git20161120-161.3.4
• SUSE Linux Enterprise High Performance Computing 12 SP3 (aarch64 x86_64)
  • w3m-0.5.3.git20161120-161.3.4
  • w3m-debuginfo-0.5.3.git20161120-161.3.4
  • w3m-debugsource-0.5.3.git20161120-161.3.4
• SUSE Linux Enterprise High Performance Computing 12 SP4 (aarch64 x86_64)
  • w3m-0.5.3.git20161120-161.3.4
  • w3m-debuginfo-0.5.3.git20161120-161.3.4
  • w3m-debugsource-0.5.3.git20161120-161.3.4
• SUSE Linux Enterprise Server 12 SP4 (aarch64 ppc64le s390x x86_64)
  • w3m-0.5.3.git20161120-161.3.4
  • w3m-debuginfo-0.5.3.git20161120-161.3.4
  • w3m-debugsource-0.5.3.git20161120-161.3.4
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
  • w3m-0.5.3.git20161120-161.3.4
  • w3m-debuginfo-0.5.3.git20161120-161.3.4
  • w3m-debugsource-0.5.3.git20161120-161.3.4

References:

• https://www.suse.com/security/cve/CVE-2018-6196.html
• https://www.suse.com/security/cve/CVE-2018-6197.html
• https://www.suse.com/security/cve/CVE-2018-6198.html
• https://bugzilla.suse.com/show_bug.cgi?id=1077559
• https://bugzilla.suse.com/show_bug.cgi?id=1077568
• https://bugzilla.suse.com/show_bug.cgi?id=1077572