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High severity7.8NVD Advisory· Published May 3, 2024· Updated Jun 17, 2026

CVE-2023-34309

CVE-2023-34309

Description

Ashlar-Vellum Cobalt Untrusted Pointer Dereference 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 a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process. . Was ZDI-CAN-19876.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Ashlar Vellum/Cobalt2 versions
    cpe:2.3:a:ashlar:cobalt:12.0.1204.57:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:ashlar:cobalt:12.0.1204.57:*:*:*:*:*:*:*
    • (no CPE)
  • Ashlar Vellum/Cobalt XEcpe-rescue
    Range: Ashlar-Vellum Cobalt 12 beta build 1204.57

Patches

Vulnerability mechanics

References

1

News mentions

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