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CVE-2023-20197

HIGH
Published 2023-08-16T21:43:11.287Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.010
probability
of exploitation in the wild

There is a 1.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.756
Higher than 75.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

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 .

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Cisco

Cisco Secure Endpoint

Affected Versions:

6.0.9 6.0.7 6.1.5 6.1.7 6.1.9 6.2.1 6.2.5 6.2.19 6.2.9 6.3.5 6.3.1 6.3.7 6.3.3 7.0.5 7.1.1 7.1.5 1.12.1 1.12.2 1.12.5 1.12.0 1.12.6 1.12.3 1.12.7 1.12.4 1.13.0 1.13.1 1.13.2 1.11.0 1.10.2 1.10.1 1.10.0 1.14.0 1.6.0 1.9.0 1.9.1 1.8.1 1.8.0 1.8.4 1.7.0 7.2.13 7.2.7 7.2.3 7.2.11 7.2.5 7.3.3 7.3.5 8.1.5
Cisco

Cisco Secure Endpoint Private Cloud Console

Affected Versions:

N/A

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-r7mw-p665-4533

Advisory Details

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 .

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-20197
WEB https://lists.debian.org/debian-lts-announce/2023/08/msg00033.html
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/IISWNZUBAQL4MNBRKLDYG3SHTEGP5KEO
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/J2XCIZFCCDDZ34XRMTQNAHAHMVQB66U5
WEB https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-rNwNEEee

Advisory provided by GitHub Security Advisory Database. Published: August 17, 2023, Modified: January 25, 2024

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-rNwNEEee
Published: 2023-08-16T21:43:11.287Z
Last Modified: 2024-08-02T09:05:35.440Z
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