Ashlar-Vellum Cobalt VS File Parser out-of-bounds

Summaryinfo

A vulnerability, which was classified as critical, was found in Ashlar-Vellum Cobalt. The impacted element is an unknown function of the component VS File Parser. The manipulation results in out-of-bounds. This vulnerability is identified as CVE-2025-2012. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Ashlar-Vellum Cobalt (affected version not known). Affected is some unknown functionality of the component VS File Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Ashlar-Vellum Cobalt VS File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of VS files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25185.

The advisory is shared for download at zerodayinitiative.com. This vulnerability is traded as CVE-2025-2012 since 03/05/2025. 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 neither technical details nor an exploit publicly available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Ashlar-Vellum

Name

• Cobalt

License

• commercial

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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