SquirrelMail MagicHTML cross-site scripting

squirrelmail-magichtml-xss (24848) The risk level is classified as MediumMedium Risk

Description:

SquirrelMail is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by MagicHTML filter. A remote attacker could exploit this vulnerability to execute script in a victim's Web browser within the security context of the hosting Web site, allowing the attacker to steal the victim's cookie-based authentication credentials.

Platforms Affected:

  • Debian, Debian Linux 3.0
  • Debian, Debian Linux 3.1
  • Gentoo, Linux
  • MandrakeSoft, Mandrake Linux Corporate Server 3.0
  • MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
  • RedHat, Enterprise Linux 3 WS
  • RedHat, Enterprise Linux 3 Desktop
  • RedHat, Enterprise Linux 3 ES
  • RedHat, Enterprise Linux 3 AS
  • RedHat, Enterprise Linux 4 WS
  • RedHat, Enterprise Linux 4 Desktop
  • RedHat, Enterprise Linux 4 AS
  • RedHat, Enterprise Linux 4 ES
  • SquirrelMail, SquirrelMail 1.4.5 and prior

Remedy:

Upgrade to the current CVS available from the SquirrelMail Web site. See References.

For Debian GNU/Linux:
Refer to DSA-988-1 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux:
Refer to RHSA-2006:0283-6 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-03-09 for patch, upgrade, or suggested workaround information. See References.

Consequences:

Gain Access

References:

  • SquirrelMail Web site, ANNOUNCE: SquirrelMail 1.5.1 Released at http://www.squirrelmail.org/changelog.php.
  • SquirrelMail Web site, Possible XSS in MagicHTML, IE only at http://www.squirrelmail.org/security/issue/2006-02-10.
  • ASA-2006-096: squirrelmail security update (RHSA-2006-0283)
  • BID-16756: SquirrelMail Multiple Cross-Site Scripting and IMAP Injection Vulnerabilities
  • CVE-2006-0195: Interpretation conflict in the MagicHTML filter in SquirrelMail 1.4.0 to 1.4.5 allows remote attackers to conduct cross-site scripting (XSS) attacks via style sheet specifiers with invalid (1) /* and */ comments, or (2) a newline in a url specifier, which is processed by certain web browsers including Internet Explorer.
  • DSA-988: squirrelmail -- several vulnerabilities
  • GLSA-200603-09: SquirrelMail: Cross-site scripting and IMAP command injection
  • MDKSA-2006:049: Updated squirrelmail packages fix vulnerabilities
  • RHSA-2006-0283: squirrelmail security update
  • SA18985: SquirrelMail Multiple Vulnerabilities
  • SECTRACK ID: 1015662: SquirrelMail Input Validation Bugs Let Remote Users Inject IMAP Commands and Conduct Cross-Site Scripting Attacks
  • SUSE-SR:2006:005: SUSE Security Summary Report
  • VUPEN/ADV-2006-0689: SquirrelMail Multiple Cross Site Scripting and IMAP Injection Vulnerabilities

Reported:

Feb 22, 2006

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