Improper input validation in Apache Tomcat

CVE-2013-4322

Apache Tomcat before 6.0.39, 7.x before 7.0.50, and 8.x before 8.0.0-RC10 processes chunked transfer coding without properly handling (1) a large total amount of chunked data or (2) whitespace characters in an HTTP header value within a trailer field, which allows remote attackers to cause a denial of service by streaming data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3544.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.095 (94.9th percentile) — read the EPSS interpretation.

Affected products

  • Apache Tomcat — versions 7.0.0, 7.0.1, 7.0.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2013-4322?
CVE-2013-4322 is a vulnerability in Apache Tomcat, classified under Improper Input Validation. Published 2014-02-26.
Is CVE-2013-4322 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.