high
7.5
CWE
835
Advisory Published
Updated

CVE-2023-20197

First published: Wed Aug 16 2023(Updated: )

A vulnerability in the filesystem image parser for Hierarchical File System Plus (HFS+) of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an incorrect check for completion when a file is decompressed, which may result in a loop condition that could cause the affected software to stop responding. An attacker could exploit this vulnerability by submitting a crafted HFS+ filesystem image to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to stop responding, resulting in a DoS condition on the affected software and consuming available system resources. For a description of this vulnerability, see the ClamAV blog .

Credit: ykramarz@cisco.com ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Secure Endpoint<1.22.0
Cisco Secure Endpoint<1.22.0
Cisco Secure Endpoint<7.5.13.21586
Cisco Secure Endpoint>=8.0.1.21160<8.1.7.21585
Cisco Secure Endpoint Private Cloud<3.8.0
Fedoraproject Fedora=38
ubuntu/clamav<0.103.9+dfsg-0ubuntu0.20.04.1
0.103.9+dfsg-0ubuntu0.20.04.1
ubuntu/clamav<0.103.9+dfsg-0ubuntu0.22.04.1
0.103.9+dfsg-0ubuntu0.22.04.1
ubuntu/clamav<0.103.9+dfsg-0ubuntu0.23.04.1
0.103.9+dfsg-0ubuntu0.23.04.1
ubuntu/clamav<0.103.9+dfsg-0ubuntu0.18.04.1+
0.103.9+dfsg-0ubuntu0.18.04.1+
ubuntu/clamav<0.103.9+dfsg-0ubuntu0.14.04.1+
0.103.9+dfsg-0ubuntu0.14.04.1+
ubuntu/clamav<0.103.9+dfsg-0ubuntu0.16.04.1+
0.103.9+dfsg-0ubuntu0.16.04.1+
debian/clamav<=0.103.6+dfsg-0+deb10u1
0.103.9+dfsg-0+deb10u1
0.103.10+dfsg-0+deb11u1
1.0.3+dfsg-1~deb12u1
1.0.4+dfsg-1
1.0.5+dfsg-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this issue?

    The vulnerability ID of this issue is CVE-2023-20197.

  • What is the severity of CVE-2023-20197?

    The severity of CVE-2023-20197 is high, with a CVSS score of 7.5.

  • What is the affected software?

    The affected software includes ClamAV, Cisco Secure Endpoint, Cisco Secure Endpoint Private Cloud, and Fedora.

  • Is authentication required to exploit this vulnerability?

    No, authentication is not required to exploit this vulnerability.

  • How can I fix CVE-2023-20197?

    To fix CVE-2023-20197, update ClamAV to version 0.103.9+dfsg-0ubuntu0.14.04.1+ (for Ubuntu Trusty) or apply the appropriate remedy for other affected software.

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