cPanel WHM 11.36.2.9 Virtualhost Installation cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in cPanel WHM 11.36.2.9. Affected is an unknown function of the component Virtualhost Installation Handler. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2013-6780. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in cPanel WHM 11.36.2.9 (Hosting Control Software). Affected is an unknown code block of the component Virtualhost Installation Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in uploader.swf in the Uploader component in Yahoo! YUI 2.5.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via the allowedDomain parameter.

The weakness was shared 12/18/2013 with cPanel Security Team as TSR 2013-0011 as confirmed advisory (Website). The advisory is shared for download at cpanel.net. This vulnerability is traded as CVE-2013-6780 since 11/12/2013. The exploitability is told to be difficult. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007. The advisory points out:

A reseller account with ACL permission to install SSL certificates could install certificates and matching virtualhosts on IP addresses that belonged to accounts that did not belong to the reseller. This would allow a malicious reseller account to capture web traffic intended for other accounts on the system.

The vulnerability scanner Nessus provides a plugin with the ID 71063 (Fedora 20 : moodle-2.5.3-1.fc20 (2013-21312)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12837 (Moodle Information Disclosure and Cross-Site Scripting Vulnerabilities).

Upgrading to version 11.36.2.10 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability. The advisory contains the following remark:

The 11.38 and 11.40 releases of cPanel were not vulnerable to this issue due to unrelated changes in the SSL certificate management logic of cPanel & WHM.

The vulnerability is also documented in the databases at Tenable (71063), OSVDB (101360†) and Secunia (SA56146†). The entries VDB-11605, VDB-11606, VDB-11607 and VDB-11608 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 71063
Nessus Name: Fedora 20 : moodle-2.5.3-1.fc20 (2013-21312)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867078
OpenVAS Name: Fedora Update for moodle FEDORA-2013-21354
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: cPanel WHM 11.36.2.10

Timelineinfo

11/12/2013 🔍
11/13/2013 +1 days 🔍
11/25/2013 +12 days 🔍
12/16/2013 +21 days 🔍
12/18/2013 +2 days 🔍
12/20/2013 +2 days 🔍
12/26/2013 +6 days 🔍
06/04/2021 +2717 days 🔍

Sourcesinfo

Advisory: TSR 2013-0011
Researcher: http://cpanel.net/
Organization: cPanel Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-6780 (🔍)
GCVE (CVE): GCVE-0-2013-6780
GCVE (VulDB): GCVE-100-11604
Secunia: 56146 - cPanel Multiple Vulnerabilities, Moderately Critical
OSVDB: 101360
SecurityTracker: 1029528

See also: 🔍

Entryinfo

Created: 12/26/2013 18:06
Updated: 06/04/2021 14:45
Changes: 12/26/2013 18:06 (76), 03/29/2019 07:48 (1), 06/04/2021 14:45 (3)
Complete: 🔍
Cache ID: 216:478:103

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