CVE-2022-20803
ClamAV Double-free Vulnerability in the OLE2 File Parser
- State
- Published
- Severity
- 8.6 High
- Published
- Feb 17, 2023
- Updated
- Oct 28, 2024
- Reserved
- Nov 2, 2021
Description
A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.The vulnerability is due to incorrect use of the realloc function that may result in a double-free. An attacker could exploit this vulnerability by submitting a crafted OLE2 file to be scanned by ClamAV on the affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.6 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | cisco |
Weaknesses
- CWE-415 Double Free
Affected Products
| Product | Versions |
|---|---|
ClamAVCisco |
|
References
- https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.htmlvendor-advisory
- GLSA-202310-01vendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.