- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201709-13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: SquirrelMail: Remote Code Execution Date: September 17, 2017 Bugs: #616700 ID: 201709-13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability in SquirrelMail might allow remote attackers to execute arbitrary code. Background ========== SquirrelMail is a webmail package written in PHP. It supports IMAP and SMTP and can optionally be installed with SQL support. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 mail-client/squirrelmail < 1.4.23_pre20140426 Vulnerable! ------------------------------------------------------------------- NOTE: Certain packages are still vulnerable. Users should migrate to another package if one is available or wait for the existing packages to be marked stable by their architecture maintainers. Description =========== It was discovered that the sendmail.cf file is mishandled in a popen call. Impact ====== A remote attacker, by enticing a user to open an e-mail attachment, could execute arbitrary shell commands. Workaround ========== There is no known workaround at this time. Resolution ========== Gentoo has discontinued support for SquirrelMail and recommends that users unmerge the package: # emerge --unmerge "mail-client/squirrelmail" References ========== [ 1 ] CVE-2017-7692 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7692 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201709-13 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 2017 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. http://creativecommons.org/licenses/by-sa/2.5