Ashlar-Vellum Cobalt CO File Parser heap-based overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in Ashlar-Vellum Cobalt. This issue affects some unknown processing of the component CO File Parser. Executing a manipulation can lead to heap-based overflow. This vulnerability is tracked as CVE-2023-34299. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in Ashlar-Vellum Cobalt (affected version unknown) and classified as critical. This vulnerability affects an unknown functionality of the component CO File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Ashlar-Vellum Cobalt CO File Parsing Heap-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 heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. . Was ZDI-CAN-17910.

The weakness was disclosed 06/19/2023. The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2023-34299 since 05/31/2023. 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 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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