- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202007-50 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: GLib Networking: Improper certificate validation Date: July 27, 2020 Bugs: #725880 ID: 202007-50 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== GLib Networking was not properly verifying TLS certificates in all circumstances, possibly allowing an integrity/confidentiality compromise. Background ========== Network-related giomodules for glib Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/glib-networking < 2.62.4 >= 2.62.4 Description =========== GTlsClientConnection skips hostname verification of the server's TLS certificate if the application fails to specify the expected server identity. Impact ====== There may be a breach of integrity or confidentiality in connections made using GLib Networking. Workaround ========== There is no known workaround at this time. Resolution ========== All GLib Networking users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=net-libs/glib-networking-2.62.4" References ========== [ 1 ] CVE-2020-13645 https://nvd.nist.gov/vuln/detail/CVE-2020-13645 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202007-50 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2020 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5