CVE-2013-4322

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 9.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-02-26 · updated 2026-10-09
Weakness: CWE-20

Description

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.

Affected products

Apache Tomcat: through 6.0.37; 7.0.0, 7.0.0-beta, 7.0.1, 7.0.2, 7.0.2-beta, 7.0.3 (+184)

References

http://advisories.mageia.org/MGASA-2014-0148.html
http://marc.info/?l=bugtraq&m=144498216801440&w=2
http://seclists.org/fulldisclosure/2014/Dec/23
http://secunia.com/advisories/59036
http://secunia.com/advisories/59675
http://secunia.com/advisories/59722
http://secunia.com/advisories/59724
http://secunia.com/advisories/59873
http://svn.apache.org/viewvc?view=revision&revision=1521834
http://svn.apache.org/viewvc?view=revision&revision=1521864
http://svn.apache.org/viewvc?view=revision&revision=1549522
http://svn.apache.org/viewvc?view=revision&revision=1549523

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