Arch Linux Security Advisory ASA-201711-29 ========================================== Severity: Medium Date : 2017-11-26 CVE-ID : CVE-2017-8807 Package : varnish Type : information disclosure Remote : Yes Link : https://security.archlinux.org/AVG-502 Summary ======= The package varnish before version 5.2.1-1 is vulnerable to information disclosure. Resolution ========== Upgrade to 5.2.1-1. # pacman -Syu "varnish>=5.2.1-1" The problem has been fixed upstream in version 5.2.1. Workaround ========== None. Description =========== vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore transient objects. Impact ====== A remote attacker is able to retrieve sensitive information from the process memory. References ========== https://bugs.archlinux.org/task/56376 https://varnish-cache.org/security/VSV00002.html https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c... https://github.com/varnishcache/varnish-cache/pull/2429 https://security.archlinux.org/CVE-2017-8807