Ashlar-Vellum Cobalt CO File Parser stack-based overflow

Summaryinfo

A vulnerability was found in Ashlar-Vellum Cobalt. It has been classified as critical. Affected by this issue is some unknown functionality of the component CO File Parser. This manipulation causes stack-based overflow. The identification of this vulnerability is CVE-2023-34302. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Ashlar-Vellum Cobalt (unknown version). Affected by this vulnerability is an unknown code block of the component CO File Parser. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Ashlar-Vellum Cobalt CO File Parsing Stack-based 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 stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. . Was ZDI-CAN-17865.

The weakness was shared 06/19/2023. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2023-34302 since 05/31/2023. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/19/2024).

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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