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Rewterz Threat Advisory – CVE-2021-30468; CVE-2020-9493 – Multiple Apache Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-30468

Apache CXF is vulnerable to a denial of service, caused by an infinite loop flaw in the JsonMapObjectReaderWriter function. By sending a specially-crafted JSON to a web service, a remote attacker could exploit this vulnerability to consume available CPU resources, and results in a denial of service condition.

CVE-2020-9493

Apache Chainsaw could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw when reading the log events. By sending specially-crafted requests, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Impact

  • Denial of Service
  • Code Execution

Affected Vendors

Apache

Affected Products

  • Apache CXF 3.3.10
  • Apache CXF 3.4.3
  • Apache Chainsaw 2.0.0

Remediation

Upgrade to the latest version of Apache available from the Apache Web site

https://cxf.apache.org/