BigTree CMS up to 4.2.18 Revision Name admin.php cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, was found in BigTree CMS up to 4.2.18. Affected is an unknown function of the file admin.php of the component Revision Name Handler. Executing a manipulation can lead to cross site scripting. The identification of this vulnerability is CVE-2017-9546. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in BigTree CMS up to 4.2.18 (Content Management System) and classified as problematic. This vulnerability affects some unknown functionality of the file admin.php of the component Revision Name Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

admin.php in BigTree through 4.2.18 allows remote authenticated users to cause a denial of service (inability to save revisions) via XSS sequences in a revision name.

The bug was discovered 06/11/2017. The weakness was shared 06/12/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-9546 since 06/11/2017. The attack can be initiated remotely. A single authentication is required for exploitation. 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 T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:admin.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-102246 and VDB-102245 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• BigTree

Name

• CMS

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8
• 4.2.9
• 4.2.10
• 4.2.11
• 4.2.12
• 4.2.13
• 4.2.14
• 4.2.15
• 4.2.16
• 4.2.17
• 4.2.18

License

• open-source

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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