Permissions, Privileges, and Access Controls in ModSecurity - CVE-2013-5705
Published: April 15, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41813
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-5705
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
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.
Affected software
ModSecurity
Amazon Linux AMI
Fedora
mod_security
Amazon Linux AMI
Fedora
mod_security
How to mitigate CVE-2013-5705
Install update from vendor's website.
mod_security - addressed in versions 2.6.8-5.el5, 2.7.3-3.el6