Path traversal in ClamAV - CVE-2019-1785

 

Path traversal in ClamAV - CVE-2019-1785

Published: April 8, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU36018
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-1785
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ClamAV
Affected software:
ClamAV

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

A vulnerability in the RAR file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and 0.101.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a lack of proper error-handling mechanisms when processing nested RAR files sent to an affected device. An attacker could exploit this vulnerability by sending a crafted RAR file to an affected device. An exploit could allow the attacker to view or create arbitrary files on the targeted system.


How to mitigate CVE-2019-1785

Install update from vendor's website.

Sources