National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-2028 Detail

Description

The ngx_http_parse_chunked function in http/ngx_http_parse.c in nginx 1.3.9 through 1.4.0 allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a chunked Transfer-Encoding request with a large chunk size, which triggers an integer signedness error and a stack-based buffer overflow.

Source:  MITRE
Description Last Modified:  07/19/2013

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105176.html
http://mailman.nginx.org/pipermail/nginx-announce/2013/000112.html Vendor Advisory
http://nginx.org/download/patch.2013.chunked.txt Exploit
http://packetstormsecurity.com/files/121675/Nginx-1.3.9-1.4.0-Denial-Of-Service.html
http://security.gentoo.org/glsa/glsa-201310-04.xml
http://www.securityfocus.com/bid/59699
http://www.vnsecurity.net/2013/05/analysis-of-nginx-cve-2013-2028/
https://github.com/rapid7/metasploit-framework/pull/1834

Technical Details

Vulnerability Type (View All)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-2028
NVD Published Date:
07/19/2013
NVD Last Modified:
12/30/2016