Ashlar-Vellum Cobalt CO File Parser stack-based overflow

Summaryinfo

A vulnerability classified as critical has been found in Ashlar-Vellum Cobalt. Affected by this issue is some unknown functionality of the component CO File Parser. The manipulation leads to stack-based overflow. This vulnerability is documented as CVE-2023-34287. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in Ashlar-Vellum Cobalt (version now known) and classified as critical. This issue affects some unknown processing of the component CO File Parser. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is 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-17892.

The weakness was released 06/19/2023. The advisory is shared at zerodayinitiative.com. The identification of this vulnerability is CVE-2023-34287 since 05/31/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/18/2024).

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

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

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

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