Command Injection via unsafe filename handling in ClamAV's VirusEvent
CVE-2024-20328 Published on March 1, 2024
ClamAV VirusEvent File Processing Command Injection Vulnerability
A vulnerability in the VirusEvent feature of ClamAV could allow a local attacker to inject arbitrary commands with the privileges of the application service account.The vulnerability is due to unsafe handling of file names. A local attacker could exploit this vulnerability by supplying a file name containing command-line sequences. When processed on a system using configuration options for the VirusEvent feature, the attacker could cause the application to execute arbitrary commands.
ClamAV has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Vulnerability Analysis
CVE-2024-20328 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2024-20328 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2024-20328
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Affected Versions
Cisco ClamAV:- Version 1.2.0 is affected.
- Version 1.2.1 is affected.
- Version 1.2.0 is affected.
- Version 1.2.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.