CVE-2023-35715

Description

Ashlar-Vellum Cobalt AR File Parsing Uninitialized Memory 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 AR files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. . Was ZDI-CAN-20408.

CVSS v3.1 Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-824 CWE-824

Affected Products

Vendor	Product	Versions
ashlar	cobalt	All

References

Other References

https://www.zerodayinitiative.com/advisories/ZDI-23-878/ https://www.zerodayinitiative.com/advisories/ZDI-23-878/

Frequently Asked Questions

What is CVE-2023-35715? +

Ashlar-Vellum Cobalt AR File Parsing Uninitialized Memory 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 AR files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. . Was ZDI-CAN-20408. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-35715? +

CVE-2023-35715 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-35715? +

CVE-2023-35715 affects products from ashlar, specifically: cobalt. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-35715? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-14739

Access of Uninitialized Pointer vulnerability in TP-Link WR940N and WR941ND allows local unauthenticated attackers the ability to execute DoS attack …

CVE-2025-66588 9.8

In AzeoTech DAQFactory release 20.7 (Build 2555), an Access of Uninitialized Pointer vulnerability can be exploited by an attacker which …

CVE-2025-32451 8.8

A memory corruption vulnerability exists in Foxit Reader 2025.1.0.27937 due to the use of an uninitialized pointer. A specially crafted …

CVE-2023-43531 8.4

Memory corruption while verifying the serialized header when the key pairs are generated.

CVE-2025-27162 7.8

Acrobat Reader versions 24.001.30225, 20.005.30748, 25.001.20428 and earlier are affected by an Access of Uninitialized Pointer vulnerability that could result …

CVE-2025-2286 7.8

A local code execution vulnerability exists in the Rockwell Automation Arena® due to an uninitialized pointer. The flaw is result …