CVE-2013-2070: Medium severity nginx vulnerability

Published May 13, 2013
·
Updated

A similar security issue to CVE-2013-2028 was identified [1] for versions of nginx if proxypass to untrusted upstream HTTP servers are used, which could lead to a denial of service or a disclosure of a worker process' memory.

The problem affects nginx 1.1.4 - 1.2.8, 1.3.0 - 1.4.0 and was assigned the name CVE-2013-2070, so only Fedora 18 is affected.

http://nginx.org/download/patch.2013.proxy.txt

[1] http://www.openwall.com/lists/oss-security/2013/05/13/3

Other sources

http/modules/ngxhttpproxymodule.c in nginx 1.1.4 through 1.2.8 and 1.3.0 through 1.4.0, when proxypass is used with untrusted HTTP servers, allows remote attackers to cause a denial of service (crash) and obtain sensitive information from worker process memory via a crafted proxy response, a similar vulnerability to CVE-2013-2028.

MITRE

Affected Software

4 affected components
F5 Nginx>=1.1.4<=1.2.8
F5 Nginx>=1.3.9<=1.4.0
Debian Debian Linux=6.0
Debian Debian Linux=7.0

Event History

May 13, 2013
Data Sourced
06:53 PM
DescriptionSeverityAffected Software
Jul 18, 2013
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2013-2070?

CVE-2013-2070 is classified as a medium severity vulnerability.

2

How do I fix CVE-2013-2070?

To fix CVE-2013-2070, upgrade nginx to a version that is not affected by the vulnerability.

3

Which versions of nginx are affected by CVE-2013-2070?

CVE-2013-2070 affects nginx versions from 1.1.4 to 1.2.8 and 1.3.9 to 1.4.0.

4

What type of attacks can CVE-2013-2070 lead to?

CVE-2013-2070 can lead to denial of service and potential disclosure of a worker process' memory.

5

Which operating systems are impacted by CVE-2013-2070?

CVE-2013-2070 impacts Debian GNU/Linux versions 6.0 and 7.0.

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