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

Summaryinfo

A vulnerability has been found in Ashlar-Vellum Cobalt and classified as critical. This issue affects some unknown processing of the component AR File Parser. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2025-7992. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Ashlar-Vellum Cobalt (the affected version unknown) and classified as critical. Affected by this vulnerability is an unknown part of the component AR File Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Ashlar-Vellum Cobalt AR 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 AR 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 data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25972.

It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2025-7992. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

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

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Productinfo

Vendor

• Ashlar-Vellum

Name

• Cobalt

License

• commercial

CPE 2.3info

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CPE 2.2info

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