The remote web server is running nginx, a lightweight, high performance web server / reverse proxy and email (IMAP/POP3) proxy.

According to its Server response header, the installed version of nginx is affected by multiple vulnerabilities : - A remote buffer overflow attack related to its parsing of complex URIs.

  - A remote denial of service attack related to its parsing     of HTTP request headers.

- Fri Dec 4 2009 Jeremy Hinegardner <jeremy at hinegardner     dot org> - 0.7.64-1

    - Update to new stable 0.7.64

    - Thu Oct 29 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.7.63-1

    - Update to new stable 0.7.63

    - reinstate zlib dependency

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

- Fri Dec 4 2009 Jeremy Hinegardner <jeremy at hinegardner     dot org> - 0.7.64-1

    - update to 0.7.64

    - Thu Oct 29 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.7.63-1

    - update to 0.7.63

    - Mon Sep 14 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.7.62-1

    - update to 0.7.62

    - fixes CVE-2009-2629

    - Sun Aug 2 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.7.61-1

    - update to new stable 0.7.61

    - remove third-party module

    - Sat Apr 11 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> 0.6.36-1

    - update to 0.6.36

    - Wed Feb 25 2009 Fedora Release Engineering <rel-eng at       lists.fedoraproject.org> - 0.6.35-3

    - Rebuilt for       https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild

    - Thu Feb 19 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.6.35-2

    - rebuild

    - Thu Feb 19 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.6.35-1

    - update to 0.6.35

    - Sat Jan 17 2009 Tomas Mraz <tmraz at redhat.com> -       0.6.34-2

    - rebuild with new openssl

    - Tue Dec 30 2008 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.6.34-1

    - update to 0.6.34

    - Thu Dec 4 2008 Michael Schwendt <mschwendt at       fedoraproject.org> - 0.6.33-2

    - Fix inclusion of /usr/share/nginx tree => no unowned       directories.

    - Sun Nov 23 2008 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.6.33-1

    - update to 0.6.33

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-201203-22 (nginx: Multiple vulnerabilities)

    Multiple vulnerabilities have been found in nginx:
      The TLS protocol does not properly handle session renegotiation         requests (CVE-2009-3555).
      The 'ngx_http_process_request_headers()' function in ngx_http_parse.c         could cause a NULL pointer dereference (CVE-2009-3896).
      nginx does not properly sanitize user input for the the WebDAV COPY         or MOVE methods (CVE-2009-3898).
      The 'ngx_resolver_copy()' function in ngx_resolver.c contains a         boundary error which could cause a heap-based buffer overflow         (CVE-2011-4315).
      nginx does not properly parse HTTP header responses which could         expose sensitive information (CVE-2012-1180).
  Impact :

    A remote attacker could possibly execute arbitrary code with the       privileges of the nginx process, cause a Denial of Service condition,       create or overwrite arbitrary files, or obtain sensitive information.
  Workaround :

    There is no known workaround at this time.

- Fri Dec 4 2009 Jeremy Hinegardner <jeremy at hinegardner     dot org> - 0.7.64-1

    - update to 0.7.64

    - Thu Oct 29 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.7.63-1

    - update to 0.7.63

    - Mon Sep 14 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.7.62-1

    - update to 0.7.62

    - fixes CVE-2009-2629

    - Sun Aug 2 2009 Jeremy Hinegardner <jeremy at       hinegardner dot org> - 0.7.61-1

    - update to new stable 0.7.61

    - remove third-party module

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is running a version of nginx web server earlier than 0.5.38, 0.6.39, or 0.7.62.  Such versions are potentially affected by a remote denial of service vulnerability because the application fails to to perform adequate bounds checking in the 'ngx_http_process_request_headers()' function of the 'src/http/ngx_http_request.c' source file.  An attacker, exploiting this flaw, can cause the web server to crash, or potentially run arbitrary code subject to the privileges of the web server process.

ID	Name	Product	Family	Published	Updated	Severity
41608	nginx HTTP Request Multiple Vulnerabilities	Nessus	Web Servers	9/24/2009	4/11/2022	high
43032	Fedora 12 : nginx-0.7.64-1.fc12 (2009-12750)	Nessus	Fedora Local Security Checks	12/8/2009	1/11/2021	high
43033	Fedora 10 : nginx-0.7.64-1.fc10 (2009-12775)	Nessus	Fedora Local Security Checks	12/8/2009	1/11/2021	high
59614	GLSA-201203-22 : nginx: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	6/21/2012	1/6/2021	medium
43034	Fedora 11 : nginx-0.7.64-1.fc11 (2009-12782)	Nessus	Fedora Local Security Checks	12/8/2009	1/11/2021	high
5216	nginx HTTP Request Header Remote Buffer Overflow	Nessus Network Monitor	Web Servers	10/28/2009	3/6/2019	high

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