CVE-2013-4547 Security feature bypass in n/a

High 7.5 Published 23 Nov 2013 Updated 6 Aug 2024

Remote attackers can bypass intended restrictions in nginx by using an unescaped space character in the URI.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2013-4547?

CVE-2013-4547 is a high-severity vulnerability in Opensuse Opensuse, published on 23 Nov 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-116

Which versions are affected by CVE-2013-4547?

It affects 5 products.

Products include F5 Nginx, Opensuse Opensuse, Suse Lifecycle Management Server, Suse Studio Onsite, Suse Webyast.

How do I fix CVE-2013-4547?

Upgrade to a fixed version.

Is CVE-2013-4547 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2013-4547 exists.

Public exploit code: 1 Exploit-DB entry and 3 proofs of concept on GitHub.

All Opensuse Opensuse vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4547, DSA-2802-1, GHSA-9x2q-qf8w-h347, MGASA-2013-0349.