Arch Linux Security Advisory ASA-201706-10 ========================================== Severity: High Date : 2017-06-12 CVE-ID : CVE-2017-6891 Package : lib32-libtasn1 Type : arbitrary code execution Remote : No Link : https://security.archlinux.org/AVG-286 Summary ======= The package lib32-libtasn1 before version 4.11-1 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 4.11-1. # pacman -Syu "lib32-libtasn1>=4.11-1" The problem has been fixed upstream in version 4.11. Workaround ========== None. Description =========== Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility. Impact ====== An attacker can execute arbitrary code on the affected host by tricking a local user into processing a specially crafted assignments file. References ========== https://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commitdiff;h=5520704d0... https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/ https://security.archlinux.org/CVE-2017-6891