#VU12172 Use-after-free error in ClamAV - CVE-2017-6420
Published: April 25, 2018
Vulnerability identifier: #VU12172
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6420
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
ClamAV
ClamAV
Software vendor:
ClamAV
ClamAV
Description
The vulnerability allows a rmeote attacker to cause DoS condition on the target system.
The weakness exists in libclamav/wwunpack.c due to use-after-free error. A remote attacker can trick the victim into opening a specially crafted PE file with WWPack compression, trigger memory corruption and cause the service to crash.
The weakness exists in libclamav/wwunpack.c due to use-after-free error. A remote attacker can trick the victim into opening a specially crafted PE file with WWPack compression, trigger memory corruption and cause the service to crash.
Remediation
Update to version 0.99.3.