CVE-2023-34311

HighCVSS 7.8/10Last modified Jun 17, 2026

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-19879.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-822

Affected software

No affected versions have been published.

Timeline

Published: May 3, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

Related CVEs from 2023

CVE-2023-343127.8In Tencent QQ through 9.7.8.29039 and TIM through 3.4.7.22084, QQProtect.exe and QQProtectEngine.dll do not validate pointers from inter-pro CVE-2023-343147.8Insecure inherited permissions in some Intel(R) Simics Simulator software before version 1.7.2 may allow an authenticated user to potentiall CVE-2023-343157.8Incorrect default permissions in some Intel(R) VROC software before version 8.0.8.1001 may allow an authenticated user to potentially enable CVE-2023-343167.5An attacker could bypass the latest Delta Electronics InfraSuite Device Master (versions prior to 1.0.7) patch, which could allow an attack CVE-2023-343176.5An improper input validation vulnerability exists in the OAS Engine User Creation functionality of Open Automation Software OAS Platform v18 CVE-2023-343187.8A heap buffer overflow vulnerability was found in sox, in the startread function at sox/src/hcom.c:160:41. This flaw can lead to a denial of CVE-2023-343197.8The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the head CVE-2023-343210.0Server-Side Request Forgery (SSRF) in GitHub repository plantuml/plantuml prior to 1.2023.9.CVE-2023-343205.5Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412 where software, under certain circumstances, could deadlock a core due to t CVE-2023-343213.3Arm provides multiple helpers to clean & invalidate the cache for a given region. This is, for instance, used when allocating guest memory CVE-2023-343227.8For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself CVE-2023-343235.5When a transaction is committed, C Xenstored will first check the quota is correct before attempting to commit any nodes. It would be possi