Security update for zsh SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2018:1874-1 Final 1 1 2018-07-03T16:09:43Z current 2018-07-03T16:09:43Z 2018-07-03T16:09:43Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for zsh This update for zsh to version 5.5 fixes the following issues: Security issues fixed: - CVE-2018-1100: Fixes a buffer overflow in utils.c:checkmailpath() that can lead to local arbitrary code execution (bsc#1089030) - CVE-2018-1071: Fixed a stack-based buffer overflow in exec.c:hashcmd() (bsc#1084656) - CVE-2018-1083: Fixed a stack-based buffer overflow in gen_matches_files() at compctl.c (bsc#1087026) Non-security issues fixed: - The effect of the NO_INTERACTIVE_COMMENTS option extends into $(...) and `...` command substitutions when used on the command line. - The 'exec' and 'command' precommand modifiers, and options to them, are now parsed after parameter expansion. - Functions executed by ZLE widgets no longer have their standard input closed, but redirected from /dev/null instead. - There is an option WARN_NESTED_VAR, a companion to the existing WARN_CREATE_GLOBAL that causes a warning if a function updates a variable from an enclosing scope without using typeset -g. - zmodload now has an option -s to be silent on a failure to find a module but still print other errors. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-SLE-Module-Basesystem-15-2018-1268 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2018/suse-su-20181874-1/ Link for SUSE-SU-2018:1874-1 https://lists.suse.com/pipermail/sle-security-updates/2018-July/004239.html E-Mail link for SUSE-SU-2018:1874-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1084656 SUSE Bug 1084656 https://bugzilla.suse.com/1087026 SUSE Bug 1087026 https://bugzilla.suse.com/1089030 SUSE Bug 1089030 https://www.suse.com/security/cve/CVE-2018-1071/ SUSE CVE CVE-2018-1071 page https://www.suse.com/security/cve/CVE-2018-1083/ SUSE CVE CVE-2018-1083 page https://www.suse.com/security/cve/CVE-2018-1100/ SUSE CVE CVE-2018-1100 page SUSE Linux Enterprise Module for Basesystem 15 zsh-5.5-3.3.15 zsh-5.5-3.3.15 as a component of SUSE Linux Enterprise Module for Basesystem 15 zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service. CVE-2018-1071 SUSE Linux Enterprise Module for Basesystem 15:zsh-5.5-3.3.15 low To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2018/suse-su-20181874-1/ https://www.suse.com/security/cve/CVE-2018-1071.html CVE-2018-1071 https://bugzilla.suse.com/1084656 SUSE Bug 1084656 https://bugzilla.suse.com/1200039 SUSE Bug 1200039 Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation. CVE-2018-1083 SUSE Linux Enterprise Module for Basesystem 15:zsh-5.5-3.3.15 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2018/suse-su-20181874-1/ https://www.suse.com/security/cve/CVE-2018-1083.html CVE-2018-1083 https://bugzilla.suse.com/1087026 SUSE Bug 1087026 https://bugzilla.suse.com/1189668 SUSE Bug 1189668 https://bugzilla.suse.com/1200209 SUSE Bug 1200209 zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user. CVE-2018-1100 SUSE Linux Enterprise Module for Basesystem 15:zsh-5.5-3.3.15 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2018/suse-su-20181874-1/ https://www.suse.com/security/cve/CVE-2018-1100.html CVE-2018-1100 https://bugzilla.suse.com/1089030 SUSE Bug 1089030 https://bugzilla.suse.com/1189668 SUSE Bug 1189668