Double Free in ClamAV - CVE-2022-20803
Published: May 4, 2022
Vulnerability identifier: #VU62799
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20803
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the OLE2 file parser. A remote attacker can pass specially crafted file to the application, trigger double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
ClamAV
Gentoo Linux
app-antivirus/clamav
Gentoo Linux
app-antivirus/clamav
How to mitigate CVE-2022-20803
Install updates from vendor's website.
ClamAV - update to 0.104.3
app-antivirus/clamav - update to 0.103.7
app-antivirus/clamav - update to 0.103.7