Debian DSA 535-1 Critical: SquirrelMail XSS And SQL Injection Risks

Four vulnerabilities were discovered in squirrelmail:

CAN-2004-0519 - Multiple cross-site scripting (XSS) vulnerabilities
in SquirrelMail 1.4.2 allow remote attackers to execute arbitrary
script as other users and possibly steal authentication information
via multiple attack vectors, including the mailbox parameter in
compose.php.

CAN-2004-0520 - Cross-site scripting (XSS) vulnerability in mime.php
for SquirrelMail before 1.4.3 allows remote attackers to insert
arbitrary HTML and script via the content-type mail header, as
demonstrated using read_body.php.

CAN-2004-0521 - SQL injection vulnerability in SquirrelMail before
1.4.3 RC1 allows remote attackers to execute unauthorized SQL
statements, with unknown impact, probably via abook_database.php.

CAN-2004-0639 - Multiple cross-site scripting (XSS) vulnerabilities
in Squirrelmail 1.2.10 and earlier allow remote attackers to inject
arbitrary HTML or script via (1) the $mailer variable in
read_body.php, (2) the $senderNames_part varia...