SqWebMail HTML comment cross-site scripting
| sqwebmail-html-comment-xss (22158) |  Medium Risk |
Description:
SqWebMail is vulnerable to cross-site scripting caused by a vulnerability in the HTML comment tag. If the victim is using Internet Explorer, a remote attacker could send a specially-crafted email containing embedded code in the HTML comment tag which, once the email is viewed, would be executed in the victim's Web browser within the security context of the hosting site. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
Consequences:
Gain Access
Remedy:
Apply the SqWebMail fix, available from the Courier Mail Server Download Web page. See References.
For Debian GNU/Linux:
Refer to DSA-793-1 and DSA-820-1 for patch, upgrade, or suggested workaround information. See References.
For Ubuntu Linux:
Refer to USN-201-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Courier Mail Server Download Web page: Courier Mail Server - latest releases.
- Full-Disclosure Mailing List: Tue Sep 06 2005 - 05:02:51 CDT: Secunia Research: SqWebMail Conditional Comments Script Insertion Vulnerability.
- BID-14744: SqWebMail HTML Email Script Tag Script Injection Vulnerability
- CVE-2005-2820: Cross-site scripting (XSS) vulnerability in SqWebMail 5.0.4 allows remote attackers to inject arbitrary web script or HTML via an e-mail message containing Internet Explorer Conditional Comments such as [if] and [endif].
- DSA-820: courier -- missing input sanitising
- SA16704: SqWebMail Conditional Comments Script Insertion Vulnerability
- USN-201-1: SqWebmail vulnerabilities
Platforms Affected:
- Canonical Ubuntu 4.10
- Canonical Ubuntu 5.04
- Debian Debian Linux 3.0
- Debian Debian Linux 3.1
- Inter7 SqWebMail 5.0.4
Reported:
Sep 06, 2005
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