58128 : nginx ngx_http_parse_complex_uri() Function Underflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	945	over 3 years ago	over 2 years ago	14 times	70%

Timeline

Disclosure Date
2009-09-14

Description

The vulnerability is caused due to an error in the processing of URLs within the "ngx_http_parse_complex_uri()" function. This can be exploited to cause a buffer underflow via a specially crafted request and may allow execution of arbitrary code.

Classification

Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Commercial
Disclosure: Vendor Verified

Solution

Upgrade to version 0.7.62, 0.6.39, 0.5.38 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

CERT: 180065
US-CERT Cyber Security Alert: 180065
CERT VU: 180065
CVE ID: 2009-2629 (see also: NVD)
Bugtraq ID: 36384
Secunia Advisory ID: 36715 36751 36758 36782 37619
Generic Exploit URL: http://immunitysec.com
Mail List Post: http://marc.info/?l=nginx&m=125293560525709&w=2
http://marc.info/?l=nginx&m=125293570725902&w=2
http://marc.info/?l=nginx&m=125293592526306&w=2
Vendor Specific News/Changelog Entry: http://nginx.net/CHANGES
http://nginx.net/CHANGES-0.5
http://nginx.net/CHANGES-0.6
http://nginx.net/CHANGES-0.7
http://sysoev.ru/nginx/patch.180065.txt
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00428.html
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00442.html
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00449.html
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00564.html
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00578.html
Vendor Specific Advisory URL: http://www.gentoo.org/security/en/glsa/glsa-200909-18.xml
http://www.us.debian.org/security/2009/dsa-1884

Tools & Filters

	5174
	nginx

Credit

Chris Ries - VigilantMinds Inc.

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2009-09-16 | Disagree?

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