clamav clamav CVE-2022-20771 vulnerability in Clamav and Other Products
Published on May 4, 2022

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

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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 the TIFF 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.

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Vulnerability Analysis

CVE-2022-20771 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

Resource Management Errors

Weaknesses in this category are related to improper management of system resources.


Products Associated with CVE-2022-20771

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2022-20771 are published in these products:

Clamav
 
Cisco Secure Endpoint
 
Canonical Ubuntu Linux
 
Fedora Project Fedora
 
Debian Linux
 

Affected Versions

Cisco AMP for Endpoints Version n/a is affected by CVE-2022-20771

Exploit Probability

EPSS
1.01%
Percentile
76.91%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.