A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.
CVE-2022-23307

8.8HIGH

Key Information:

Vendor
Apache
Status
Apache Log4j 1.x
Vendor
CVE Published:
18 January 2022

Summary

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.

Affected Version(s)

Apache Log4j 1.x 1.2.1

Apache Log4j 1.x <= 2.0-alpha1

References

https://logging.apache.org/log4j/1.2/index.html
x_refsource_MISC
https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9...
x_refsource_MISC
https://www.oracle.com/security-alerts/cpuapr2022.html
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

@kingkk
.