[ GLSA 200411-25 ] SquirrelMail: Encoded text XSS vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: SquirrelMail: Encoded text XSS vulnerability (GLSA 200411-25)
Severity: low
Exploitable: remote
Date: November 17, 2004
Updated: May 22, 2006
Bug(s): #70739
ID: 200411-25

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: mail-client/squirrelmail
Vulnerable: < 1.4.3a-r2
Unaffected: >= 1.4.3a-r2
Architectures: All supported architectures


Description

SquirrelMail fails to properly sanitize certain strings when decoding specially-crafted headers.

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 version: