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CERT Coordination Center

Open Technology Real Services cross-site scripting vulnerability

Vulnerability Note VU#582879

Original Release Date: 2012-08-22 | Last Revised: 2012-08-22

Overview

Open Technology Real Services (OTRS) is susceptible to a cross-site scripting vulnerability.

Description

Open Technology Real Services (OTRS) contains a cross-site scripting (CWE-79) vulnerability in the email body. An attacker may be able to load arbitrary script in the context of the user's browser when they view a specifically crafted email message.

Proof-of-Concept:

    • <DIV STYLE="width: expression(alert('XSS'));">
    • exp/*<XSS STYLE='no\xss:noxss("*//*");xss:&#101;x&#x2F;*XSS*//*/*/pression(alert("XSS"))'>
    • <IMG STYLE="xss:expr/*XSS*/ession(alert('XSS'))">
    • <XSS STYLE="xss:expression(alert('XSS'))">
    • <HEAD><META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=UTF-7"> </HEAD>+ADw-SCRIPT+AD4-alert('XSS');+ADw-/SCRIPT+AD4-
Additional details may be found in the OTRS advisory.

Impact

An attacker may be able to execute arbitrary script in the context of the user's browser.

Solution

Apply an Update
The OTRS advisory states:
This vulnerability is fixed in OTRS 2.4.13, 3.0.15 and 3.1.9 as well as in in OTRS::ITSM 3.1.6, 3.0.6 and 2.1.5. and it is recommended to upgrade to one of these versions.

Vendor Information

582879
 
Affected   Unknown   Unaffected

OTRS

Notified:  July 13, 2012 Updated:  August 22, 2012

Status

  Affected

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Vendor References

http://www.otrs.com/en/open-source/community-news/security-advisories/security-advisory-2012-01/


CVSS Metrics

Group Score Vector
Base 6.1 AV:N/AC:H/Au:N/C:P/I:C/A:N
Temporal 4.8 E:POC/RL:OF/RC:C
Environmental 4.8 CDP:ND/TD:ND/CR:ND/IR:ND/AR:ND

References

Credit

Thanks to Devon Kearns of Offensive Security for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

CVE IDs: CVE-2012-2582
Date Public: 2012-08-22
Date First Published: 2012-08-22
Date Last Updated: 2012-08-22 12:05 UTC
Document Revision: 9

Sponsored by the Department of Homeland Security Office of Cybersecurity and Communications.