full-disclosure - SecurityReason - Apache (mod_proxy_ftp) Undefined Charset UTF-7 XSS Vulnerability

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <200801110046200802.051D0715@securityreason.com>
Date: Fri, 11 Jan 2008 00:46:20 +0100
From: "sp3x" <sp3x@...urityreason.com>
To: full-disclosure@...ts.grok.org.uk
Subject: SecurityReason - Apache (mod_proxy_ftp) Undefined
 Charset UTF-7 XSS Vulnerability

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

[SecurityReason - Apache (mod_proxy_ftp) Undefined Charset UTF-7 XSS Vulnerability]

Author: sp3x

Date:
- - Written: 15.12.2007
- - Public: 10.01.2008

SecurityReason Research
SecurityAlert Id: 49

CVE: CVE-2008-0005
SecurityRisk: Low

Affected Software: Apache 2.2.x (mod_proxy_ftp)
		   Apache 1.3.x
                   Apache 2.0.x

Advisory URL: http://securityreason.com/achievement_securityalert/49
Vendor: http://httpd.apache.org

- --- 0.Description ---

The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows NT. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.

Apache has been the most popular web server on the Internet since April 1996. The November 2005 Netcraft Web Server Survey found that more than 70% of the web sites on the Internet are using Apache, thus making it more widely used than all other web servers combined.

mod_proxy_ftp : http://httpd.apache.org/docs/2.2/mod/mod_proxy_ftp.html

- From apache site : "It provides support for the proxying FTP sites. Note that FTP support is currently limited to the GET method."

- --- 1. Apache Undefined Charset UTF-7 XSS Vulnerability ---

The XSS(UTF7) exist in mod_proxy_ftp.c . Charset is not defined
and we can provide XSS attack using ";" char in URL by setting Charset to UTF-7.

- --- 2. Exploit ---

SecurityReason is not going to release a exploit to the general public.
Exploit was provided and tested for Apache Team .

- --- 3. How to fix ---

Update to Apache 2.2.7-dev
	  Apache 1.3.40-dev
          Apache 2.0.62-dev

- --- 4. References ---

Apache2 Undefined Charset UTF-7 XSS Vulnerability : http://securityreason.com/achievement_securityalert/46 by Maksymilian Arciemowicz

- --- 5. Greets ---

For: Maksymilian Arciemowicz ( cXIb8O3 ), Infospec, pi3, p_e_a, mpp

- --- 6. Contact ---

Author: sp3x
Email: sp3x [at] securityreason [dot] com
GPG: http://securityreason.com/key/sp3x.gpg
http://securityreason.com
http://securityreason.pl
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.7 (GNU/Linux)

iD8DBQFHhUp2haZ93YsJSwQRAgYPAJ9CYYZv1MthEQpfqg97ReFQ56RHVQCfdoKs
0uz3Q3HNdQfgbuc8uRh3Ol8=
=dn1x
-----END PGP SIGNATURE-----

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/