apache chainsaw CVE-2022-23307 vulnerability in Apache and Other Products
Published on January 18, 2022

A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.

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CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.

NVD

Vulnerability Analysis

CVE-2022-23307 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

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

Weakness Type

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2022-23307 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.


Products Associated with CVE-2022-23307

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Affected Versions

Apache Software Foundation Apache Log4j 1.x:

Exploit Probability

EPSS
2.60%
Percentile
85.87%

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.