Security update for zsh SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2018:1893-1 Final 1 1 2018-07-05T18:18:30Z current 2018-07-05T18:18:30Z 2018-07-05T18:18:30Z 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. This update was imported from the SUSE:SLE-15:Update update project. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) http://lists.opensuse.org/opensuse-security-announce/2018-07/msg00000.html E-Mail link for openSUSE-SU-2018:1893-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings openSUSE Leap 15.0 zsh-5.5-lp150.2.3.1 zsh-htmldoc-5.5-lp150.2.3.1 zsh-5.5-lp150.2.3.1 as a component of openSUSE Leap 15.0 zsh-htmldoc-5.5-lp150.2.3.1 as a component of openSUSE Leap 15.0 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 openSUSE Leap 15.0:zsh-5.5-lp150.2.3.1 openSUSE Leap 15.0:zsh-htmldoc-5.5-lp150.2.3.1 low Please Install the update. http://lists.opensuse.org/opensuse-security-announce/2018-07/msg00000.html https://www.suse.com/security/cve/CVE-2018-1071.html CVE-2018-1071 https://bugzilla.suse.com/1084656 SUSE Bug 1084656 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 openSUSE Leap 15.0:zsh-5.5-lp150.2.3.1 openSUSE Leap 15.0:zsh-htmldoc-5.5-lp150.2.3.1 moderate Please Install the update. http://lists.opensuse.org/opensuse-security-announce/2018-07/msg00000.html https://www.suse.com/security/cve/CVE-2018-1083.html CVE-2018-1083 https://bugzilla.suse.com/1087026 SUSE Bug 1087026 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 openSUSE Leap 15.0:zsh-5.5-lp150.2.3.1 openSUSE Leap 15.0:zsh-htmldoc-5.5-lp150.2.3.1 important Please Install the update. http://lists.opensuse.org/opensuse-security-announce/2018-07/msg00000.html https://www.suse.com/security/cve/CVE-2018-1100.html CVE-2018-1100 https://bugzilla.suse.com/1089030 SUSE Bug 1089030