Arch Linux Security Advisory ASA-202005-11 ========================================== Severity: Low Date : 2020-05-19 CVE-ID : CVE-2020-12823 Package : openconnect Type : arbitrary code execution Remote : No Link : https://security.archlinux.org/AVG-1157 Summary ======= The package openconnect before version 1:8.10-1 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 1:8.10-1. # pacman -Syu "openconnect>=1:8.10-1" The problem has been fixed upstream in version 8.10. Workaround ========== None. Description =========== OpenConnect 8.09 has a buffer overflow in get_cert_name in gnutls.c, causing a denial of service (application crash) or possibly unspecified other impact, via crafted data in a local certificate. Impact ====== An attacker can cause the application to crash, or possibly execute arbitrary code, by tricking a user into using a specially crafted certificate. References ========== https://gitlab.com/openconnect/openconnect/-/merge_requests/108 https://security.archlinux.org/CVE-2020-12823