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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 87.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 87.48% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- f5/nginx · fedoraproject/fedora
- Source
- secalert@redhat.com
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105176.htmlThird Party Advisory
- http://mailman.nginx.org/pipermail/nginx-announce/2013/000112.htmlMitigation, Patch, Vendor Advisory
- http://nginx.org/download/patch.2013.chunked.txtPatch, Vendor Advisory
- http://packetstormsecurity.com/files/121675/Nginx-1.3.9-1.4.0-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
- http://secunia.com/advisories/55181Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201310-04.xmlThird Party Advisory
- http://www.osvdb.org/93037Broken Link
- http://www.securityfocus.com/bid/59699Third Party Advisory, VDB Entry
- http://www.vnsecurity.net/2013/05/analysis-of-nginx-cve-2013-2028/Broken Link
- https://github.com/rapid7/metasploit-framework/pull/1834Patch, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105176.htmlThird Party Advisory
- http://mailman.nginx.org/pipermail/nginx-announce/2013/000112.htmlMitigation, Patch, Vendor Advisory
- http://nginx.org/download/patch.2013.chunked.txtPatch, Vendor Advisory
- http://packetstormsecurity.com/files/121675/Nginx-1.3.9-1.4.0-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
- http://secunia.com/advisories/55181Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201310-04.xmlThird Party Advisory
- http://www.osvdb.org/93037Broken Link
- http://www.securityfocus.com/bid/59699Third Party Advisory, VDB Entry
- http://www.vnsecurity.net/2013/05/analysis-of-nginx-cve-2013-2028/Broken Link
- https://github.com/rapid7/metasploit-framework/pull/1834Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.