CVE-2022-20803
ClamAV Double-free Vulnerability in the OLE2 File Parser
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-415 |
| Vendor | cisco |
| Product | clamav |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Feb 17, 2023 |
| Last Updated | Oct 28, 2024 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Cisco / ClamAV
0.104.0