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Gentoo: 202112-15 Critical: SquirrelMail XSS Vulnerability Alert

Squirrelmail fails to properly sanitize user input, which could lead to a compromise of webmail accounts.. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200406-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Squirrelmail: Another XSS vulnerability Date: June 15, 2004 Bugs: #52434 ID: 200406-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= Squirrelmail fails to properly sanitize user input, which could lead to a compromise of webmail accounts. 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 = 1.4.3 Description ========== A new cross-site scripting (XSS) vulnerability in Squirrelmail-1.4.3_rc1 has been discovered. In functions/mime.php Squirrelmail fails to properly sanitize user input. Impact ===== By enticing a user to read a specially crafted e-mail, an attacker can execute arbitrary scripts running in the context of the victim's browser. This could lead to a compromise of the user's webmail account, cookie theft, etc. Workaround ========= There is no known workaround at this time. Resolution ========= All SquirrelMail users should upgrade to the latest stable version: # emerge sync # emerge -pv "> =mail-client/squirrelmail-1.4.3" # emerge "> =mail-client/squirrelmail-1.4.3" References ========= [ 1 ]RS-Labs Advisory http://www.rs-labs.com/adv/RS-Labs-Advisory-2004-1.txt [ 2 ] CERT description of XSS https://www.sei.cmu.edu/library/2000-cert-advisories/ Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/200406-08 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 This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org/. License ====== Copyright 2004 Gentoo Technologies, 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/1.0/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Mozilla - iD8DBQFAz0dKvcL1obalX08RArFBAKCsBVql2MknZqBZZC1KEaoH+QEFrACdFk/U PgBs0ZO8tIQBUD/TgHlCbRA=Qq1y -----END PGP SIGNATURE----- . A security flaw in SquirrelMail might endanger user accounts. All users of the software are urged to upgrade.. Squirrelmail XSS Threat,Gentoo Linux Advisory,Webmail Security. . Severity: Critical. LinuxSecurity.com Team

Jun 15, 2004 •Critical Gentoo