BEdita up to 3.5.x saveConfig data[description] cross site scripting

Summaryinfo

A vulnerability has been found in BEdita up to 3.5.x and classified as problematic. Impacted is an unknown function of the file index.php/admin/saveConfig. Performing a manipulation of the argument data[description] results in cross site scripting. This vulnerability is reported as CVE-2015-6809. The attack is possible to be carried out remotely. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in BEdita up to 3.5.x. It has been classified as problematic. This affects an unknown part of the file index.php/admin/saveConfig. The manipulation of the argument data[description] 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 integrity. The summary by CVE is:

Multiple cross-site scripting (XSS) vulnerabilities in BEdita before 3.6.0 allow remote attackers to inject arbitrary web script or HTML via the (1) cfg[projectName] parameter to index.php/admin/saveConfig, the (2) data[stats_provider_url] parameter to index.php/areas/saveArea, or the (3) data[description] parameter to index.php/areas/saveSection.

The weakness was disclosed 09/04/2015 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2015-6809 since 09/04/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

A public exploit has been developed by Sébastien Morin and been published even before and not after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.6.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (38051). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• BEdita

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5

Website

• Product: https://github.com/bedita/bedita/

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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