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CVE-2022-20770

ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022

Published: May 4, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-399
NVD MITRE
8.6CVSSHIGH
EPSS Score
6.2%
Top 7.4%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in CHM file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. This advisory will be updated as additional information becomes available.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-399NVD-CWE-noinfo

Affected Products

clamavclamav
On-premSecurity Product
Security Products / vuln-mgmt-scanner
secure endpointcisco
On-prem
Networking Infrastructure / router-switch
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
debian linuxdebian
On-premOS
Operating Systems / linux-distro
Cisco AMP for EndpointsCisco
On-prem
Networking Infrastructure / router-switch
clamavoss-projectSecurity Productsaka clambc, clamav
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
fedoraprojectoss-projectUSOperating Systemsaka fedora project
debianoss-projectGBOperating Systemsaka debian gnu/linux
and 5 more affected products View all →

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://lists.debian.org/debian-lts-announce/2022/06/msg00004.html
lists.debian.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7RV6BLIATIJE74SQ6NG5ZC4JK5MMDQ2R/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BX5ZXNHP4NFYQ5BFSKY3WT7NTBZUYG7L/
lists.fedoraproject.org
and 11 more references View all →

Timeline

Published
May 4, 2022
Last Updated
Nov 21, 2024

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