Ashlar-Vellum Cobalt CO File Parser buffer overflow

Summaryinfo

A vulnerability classified as critical was found in Ashlar-Vellum Cobalt. Impacted is an unknown function of the component CO File Parser. Executing a manipulation can lead to buffer overflow. The identification of this vulnerability is CVE-2025-2017. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Ashlar-Vellum Cobalt (version unknown). It has been declared as critical. This vulnerability affects an unknown function of the component CO File Parser. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Ashlar-Vellum Cobalt CO File Parsing Buffer Overflow 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 CO files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25240.

The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2025-2017 since 03/05/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/08/2025).

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Ashlar-Vellum

Name

• Cobalt

License

• commercial

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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