Microsoft Exchange Server OWA Compose New Message form cross-site scripting
| exchange-owa-message-xss (13421) |  Medium Risk |
Description:
Microsoft Exchange Server using the Outlook Web Access (OWA) service is vulnerable to cross-site scripting, caused by a vulnerability when OWA performs HTML encoding in the Compose New Message form. A remote attacker could embed malicious script within a specially-crafted URL request within the body of an email message, which would be executed in the victim's Web browser within the security context of the hosting site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials and other sensitive information.
Platforms Affected:
- Microsoft, Exchange Server 5.5
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS04-026. See References.
Note: Microsoft originally provided a patch for this vulnerability in MS03-047, but it has been superseded by the patch released with MS04-026. See References.
Consequences:
Gain Access
References:
- BugTraq Mailing List, Thu Oct 16 2003 - 07:21:30 CDT, Vulnerability in Exchange Server 5.5 Outlook Web Access Could Allow Cross-Site Scripting Attack (Microsoft Security Bulletin MS03-047) at http://archives.neohapsis.com/archives/bugtraq/2003-10/0170.html.
- CERT Advisory CA-2003-27, Multiple Vulnerabilities in Microsoft Windows and Exchange at http://www.cert.org/advisories/CA-2003-27.html.
- CIAC Information Bulletin O-010, Microsoft Exchange Server 5.5 Outlook Web Access Vulnerability at http://www.ciac.org/ciac/bulletins/o-010.shtml.
- Microsoft Security Bulletin MS03-047, Vulnerability in Exchange Server 5.5 Outlook Web Access Could Allow Cross-Site Scripting Attack (828489) at http://www.microsoft.com/technet/security/bulletin/ms03-047.mspx.
- Microsoft Security Bulletin MS04-026, Vulnerability in Exchange Server 5.5 Outlook Web Access Could Allow Cross-Site Scripting and Spoofing Attacks (842436) at http://www.microsoft.com/technet/security/bulletin/ms04-026.mspx.
- BID-8832: Microsoft Exchange Server 5.5 Outlook Web Access Cross-Site Scripting Vulnerability
- CVE-2003-0712: Cross-site scripting (XSS) vulnerability in the HTML encoding for the Compose New Message form in Microsoft Exchange Server 5.5 Outlook Web Access (OWA) allows remote attackers to execute arbitrary web script.
- US-CERT VU#435444: Microsoft Outlook Web Access (OWA) contains cross-site scripting vulnerability in the Compose New Message form
Reported:
Oct 15, 2003
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