Mozilla Firefox up to 21.0 XHR HEAD Request XMLHttpRequest (XHR) HEAD access control

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical has been found in Mozilla Firefox up to 21.0 (Web Browser). Affected is the function XMLHttpRequest (XHR) HEAD of the component XHR HEAD Request Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not prevent the inclusion of body data in an XMLHttpRequest HEAD request, which makes it easier for remote attackers to conduct cross-site request forgery (CSRF) attacks via a crafted web site.

The weakness was presented 06/25/2013 by Johnathan Kuskos (Paul) as MFSA 2013-54 as not defined advisory (Website). The advisory is shared for download at The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2013-1692 since 02/13/2013. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 66996 (CentOS 5 / 6 : firefox / xulrunner (CESA-2013:0981)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121294 (Red Hat Update for Xulrunner Firefox (RHSA-2013:0981)).

Upgrading to version 22.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (66996). See 9281, 9282, 9283 and 9284 for similar entries.







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 66996
Nessus Name: CentOS 5 / 6 : firefox / xulrunner (CESA-2013:0981)
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OpenVAS ID: 892716
OpenVAS Name: Debian Security Advisory DSA 2716-1 (iceweasel - several vulnerabilities
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Threat Intelligenceinfo

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Recommended: Upgrade
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Upgrade: Firefox 22.0


02/13/2013 🔍
06/25/2013 +132 days 🔍
06/25/2013 +0 days 🔍
06/25/2013 +0 days 🔍
06/25/2013 +0 days 🔍
06/25/2013 +0 days 🔍
06/26/2013 +1 days 🔍
06/26/2013 +0 days 🔍
06/27/2013 +1 days 🔍
05/17/2021 +2881 days 🔍



Advisory: MFSA 2013-54
Researcher: Johnathan Kuskos (Paul)
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1692 (🔍)

Vulnerability Center: 40194 - Mozilla Firefox Before 22.0, Thunderbird 17.0.0 -17.0.6 CSRF Vulnerability by not Sending Data XHR HEAD Request (CVE-2013-1692), Medium
SecurityFocus: 60762 - RETIRED: Mozilla Firefox/Thunderbird MFSA 2013-49 through -62 Multiple Vulnerabilities
Secunia: 53953 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 94583

See also: 🔍


Created: 06/27/2013 12:37 PM
Updated: 05/17/2021 01:26 PM
Changes: 06/27/2013 12:37 PM (84), 01/31/2018 09:54 AM (4), 05/17/2021 01:26 PM (3)
Complete: 🔍


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