Permissions, Privileges, and Access Controls in NGINX Open Source - CVE-2013-4547
Published: November 23, 2013 / Updated: July 29, 2020
Vulnerability identifier: #VU32617
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4547
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
nginx 0.8.41 through 1.4.3 and 1.5.x before 1.5.7 allows remote attackers to bypass intended restrictions via an unescaped space character in a URI.
Affected software
NGINX Open Source
Amazon Linux AMI
Fedora
nginx (Alpine package)
nginx
Amazon Linux AMI
Fedora
nginx (Alpine package)
nginx
How to mitigate CVE-2013-4547
Install update from vendor's website.
NGINX Open Source - update to 1.4.4
nginx (Alpine package) - update to 1.0.15-r1
nginx - addressed in versions 0.8.55-6.el5, 1.0.15-11.el6
nginx (Alpine package) - update to 1.0.15-r1
nginx - addressed in versions 0.8.55-6.el5, 1.0.15-11.el6
Links to Public Exploits and PoC-codes
External References
- http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00084.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00118.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00119.html
- http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html
- http://secunia.com/advisories/55757
- http://secunia.com/advisories/55822
- http://secunia.com/advisories/55825
- http://www.debian.org/security/2012/dsa-2802