Signature Detail
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Short Name |
HTTP:NGINX-CHUNKED-BO |
|---|---|
Severity |
Major |
Recommended |
No |
Recommended Action |
Drop |
Category |
HTTP |
Keywords |
Nginx Parsed Chunked Buffer Overflow |
Release Date |
2013/06/25 |
Update Number |
2275 |
Supported Platforms |
idp-4.0+, isg-3.1.134269+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
HTTP: Nginx Parsed Chunked Buffer Overflow
This signature detects attempts to exploit a known vulnerability in the Nginx HTTP Server. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the server.
Extended 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.
Affected Products
- Nginx nginx 1.3.9
- Nginx nginx 1.4.0
References
- CVE: CVE-2013-2028