What’s Vulnerable › Vulnerabilities

CVE-2019-1785: Clam AntiVirus RAR Directory Traversal Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-08 · updated 2026-06-17
• Weakness: CWE-20

Description

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.

Affected products

• Cisco ClamAV: 0.101.0, 0.101.1

References

• https://bugzilla.clamav.net/show_bug.cgi?id=12284
• https://security.gentoo.org/glsa/201904-12
• https://bugzilla.clamav.net/show_bug.cgi?id=12284
• https://security.gentoo.org/glsa/201904-12

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