Vulnerability Details CVE-2013-2028
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.922
EPSS Ranking 99.7%
CVSS Severity
CVSS v2 Score 7.5
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105176.html
- http://mailman.nginx.org/pipermail/nginx-announce/2013/000112.html
- http://nginx.org/download/patch.2013.chunked.txt
- http://packetstormsecurity.com/files/121675/Nginx-1.3.9-1.4.0-Denial-Of-Service.html
- http://secunia.com/advisories/55181
- http://security.gentoo.org/glsa/glsa-201310-04.xml
- http://www.osvdb.org/93037
- 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
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105176.html
- http://mailman.nginx.org/pipermail/nginx-announce/2013/000112.html
- http://nginx.org/download/patch.2013.chunked.txt
- http://packetstormsecurity.com/files/121675/Nginx-1.3.9-1.4.0-Denial-Of-Service.html
- http://secunia.com/advisories/55181
- http://security.gentoo.org/glsa/glsa-201310-04.xml
- http://www.osvdb.org/93037
- 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
Products affected by CVE-2013-2028
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cpe:2.3:a:f5:nginx:1.3.10
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cpe:2.3:a:f5:nginx:1.3.11
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cpe:2.3:a:f5:nginx:1.3.12
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cpe:2.3:a:f5:nginx:1.3.13
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cpe:2.3:a:f5:nginx:1.3.14
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cpe:2.3:a:f5:nginx:1.3.15
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cpe:2.3:a:f5:nginx:1.3.16
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cpe:2.3:a:f5:nginx:1.3.9
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cpe:2.3:a:f5:nginx:1.4.0
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cpe:2.3:o:fedoraproject:fedora:19