- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202007-55 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: libetpan: Improper STARTTLS handling Date: July 28, 2020 Bugs: #734130 ID: 202007-55 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= A vulnerability was discovered in libetpan's STARTTLS handling, possibly allowing an integrity/confidentiality compromise. Background ========= libetpan is a portable, efficient middleware for different kinds of mail access. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/libetpan < 1.9.4-r1 >= 1.9.4-r1 Description ========== It was discovered that libetpan was not properly handling state within the STARTTLS protocol handshake. Impact ===== There may be a breach of integrity or confidentiality in connections made using libetpan with STARTTLS. Workaround ========= There is no known workaround at this time. Resolution ========= All libetpan users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/libetpan-1.9.4-r1" References ========= [ 1 ] CVE-2020-15953 https://nvd.nist.gov/vuln/detail/CVE-2020-15953 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202007-55 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