CVE-2012-1180

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-04-17 · updated 2026-06-16
Weakness: CWE-416

Description

Use-after-free vulnerability in nginx before 1.0.14 and 1.1.x before 1.1.17 allows remote HTTP servers to obtain sensitive information from process memory via a crafted backend response, in conjunction with a client request.

Affected products

Debian Linux: 6.0
nginx: from 0.1.0 before 1.0.14; from 1.1.0 before 1.1.17 — fixed in 1.0.14, 1.1.17
Fedoraproject Fedora: 15, 16, 17

How to fix

Upgrade to a fixed version: nginx 1.0.14, 1.1.17. Check the vendor advisory for mitigations.

References

http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077966.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076646.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076671.html
http://nginx.org/download/patch.2012.memory.txt
http://nginx.org/en/security_advisories.html
http://osvdb.org/80124
http://seclists.org/bugtraq/2012/Mar/65
http://secunia.com/advisories/48465
http://secunia.com/advisories/48577
http://security.gentoo.org/glsa/glsa-201203-22.xml
http://trac.nginx.org/nginx/changeset/4530/nginx
http://trac.nginx.org/nginx/changeset/4531/nginx

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