Vulnerability CVE-2013-5705
Published: 2014-04-15

Description:
apache2/modsecurity.c in ModSecurity before 2.7.6 allows remote attackers to bypass rules by using chunked transfer coding with a capitalized Chunked value in the Transfer-Encoding HTTP header.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Apache HTTPD 2.2.22/ModSecurity 2.7.5 bypass RequestHeader unset
Martin
16.04.2014

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Modsecurity -> Modsecurity 

 References:
https://github.com/SpiderLabs/ModSecurity/commit/f8d441cd25172fdfe5b613442fedfc0da3cc333d
http://www.debian.org/security/2014/dsa-2991
http://martin.swende.se/blog/HTTPChunked.html
Copyright 2024, cxsecurity.com

 

Back to Top