What is CVE-2023-34309?

CVE-2023-34309 is a high-severity vulnerability in Ashlar Cobalt, classified under Untrusted Pointer Dereference. CVSS score: 7.8/10. Published 2024-05-03.

How severe is CVE-2023-34309?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Ashlar Cobalt

CVE-2023-34309

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.

EPSS: 0.004 (32.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Ashlar Cobalt — versions 12.0.1204.57
Ashlar-vellum Cobalt — versions Ashlar-Vellum Cobalt 12 beta build 1204.57

Weakness classification (CWE)

CWE-822 — Untrusted Pointer Dereference

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2023-34309?: CVE-2023-34309 is a high-severity vulnerability in Ashlar Cobalt, classified under Untrusted Pointer Dereference. CVSS score: 7.8/10. Published 2024-05-03.
How severe is CVE-2023-34309?: High severity. CVSS v3 base score is 7.8 out of 10.