Mozilla OnUnload Referer Information Leakage Vulnerability

BID:5694

Info

Mozilla OnUnload Referer Information Leakage Vulnerability

Bugtraq ID: 5694
Class: Design Error
CVE: CVE-2002-1126
Remote: Yes
Local: No
Published: Sep 11 2002 12:00AM
Updated: Jul 11 2009 05:06PM
Credit: Discovery of this issue is credited to Sven Neuhaus <[email protected]>.
Vulnerable: Mozilla Browser 1.1
Mozilla Browser 1.0.1
Mozilla Browser 1.0
+ Mandriva Linux Mandrake 8.2 ppc
+ Mandriva Linux Mandrake 8.2
+ Redhat Linux 8.0 i386
+ Redhat Linux 8.0
Mozilla Browser 0.9.9
- FreeBSD FreeBSD 4.5
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
- FreeBSD FreeBSD 4.2
- FreeBSD FreeBSD 4.1.1
+ Redhat Linux 7.3 i386
+ Redhat Linux 7.3
+ Redhat Linux 7.2 i686
+ Redhat Linux 7.2 i586
+ Redhat Linux 7.2 i386
+ Redhat Linux 7.2
Mozilla Browser 0.9.8
- Apple Mac OS 9 9.2.2
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0
- Apple Mac OS 9 9.0
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0
- Apple Mac OS X 10.0
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows ME
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP6
- Microsoft Windows NT 4.0 SP6
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0
- Microsoft Windows NT 4.0
- Microsoft Windows XP 0
Mozilla Browser 0.9.7
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0
- Apple Mac OS 9 9.0
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0
- Apple Mac OS X 10.0
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows ME
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0
- Microsoft Windows NT 4.0
- Microsoft Windows XP 0
Mozilla Browser 0.9.6
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.0
- Apple Mac OS 9 9.0
- Be BeOS 5.0
- Be BeOS 5.0
- BSDI BSD/OS 4.2
- BSDI BSD/OS 4.2
- Compaq OpenVMS 7.3 Alpha
- Compaq OpenVMS 7.3 Alpha
- Compaq OpenVMS 7.2 -2 Alpha
- Compaq OpenVMS 7.2 -2 Alpha
- Compaq OpenVMS 7.1 -2 Alpha
- FreeBSD FreeBSD 4.0
- FreeBSD FreeBSD 4.0
- IBM AIX 4.3.3
- IBM AIX 4.3.3
- Microsoft Windows 2000 Professional SP2
- Microsoft Windows 2000 Professional SP2
- Microsoft Windows 2000 Professional SP1
- Microsoft Windows 2000 Professional SP1
- Microsoft Windows 2000 Professional
- Microsoft Windows 2000 Professional
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows ME
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP6
- Microsoft Windows NT 4.0 SP6
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0
- Microsoft Windows NT 4.0
- Redhat Linux 7.0 sparc
- Redhat Linux 7.0 sparc
- Redhat Linux 7.0 i386
- Redhat Linux 7.0 i386
- Redhat Linux 7.0 alpha
- Redhat Linux 7.0 alpha
- Redhat Linux 6.0 sparc
- Redhat Linux 6.0 sparc
- Redhat Linux 6.0 alpha
- Redhat Linux 6.0 alpha
- Redhat Linux 6.0
- Redhat Linux 6.0
- SGI IRIX 6.5
- SGI IRIX 6.5
- Sun Solaris 2.8
- Sun Solaris 2.8
- Sun Solaris 2.7
- Sun Solaris 2.7
Mozilla Browser 0.9.5
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0
- Apple Mac OS 9 9.0
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0
- Apple Mac OS X 10.0
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows ME
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0
- Microsoft Windows NT 4.0
- Microsoft Windows XP 0
Mozilla Browser 0.9.4
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0
- Apple Mac OS 9 9.0
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0
- Apple Mac OS X 10.0
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows ME
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0
- Microsoft Windows NT 4.0
- Microsoft Windows XP 0
Mozilla Browser 0.9.3
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2.1
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.2
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.1
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0.4
- Apple Mac OS 9 9.0
- Apple Mac OS 9 9.0
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.2
- Apple Mac OS X 10.1.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.1
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.4
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.3
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.2
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0.1
- Apple Mac OS X 10.0
- Apple Mac OS X 10.0
- Microsoft Windows 95
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows ME
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP6a
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP5
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP4
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP3
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP2
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0 SP1
- Microsoft Windows NT 4.0
- Microsoft Windows NT 4.0
- Microsoft Windows XP 0
Galeon Galeon Browser 1.2.6
Galeon Galeon Browser 1.2.5
Galeon Galeon Browser 1.2.4
Not Vulnerable: Mozilla Browser 1.2
Galeon Galeon Browser 1.2.7

Discussion

Mozilla OnUnload Referer Information Leakage Vulnerability

A problem in Mozilla's implementation of the JavaScript "onUnload" event handler has the potential to leak sensitive information to websites.

When other pages are launched using the event handler, the vulnerable client encapsulates the address of the next page that is visited in the HTTP Referer field. The correct behavior is to include the address of the previously visited page in the HTTP Referer field.

Using this handler, a webpage can cause the browser to leak information about the next page that was visited.

Exploit / POC

Mozilla OnUnload Referer Information Leakage Vulnerability

A proof-of-concept is available at the following website:

http://members.ping.de/~sven/mozbug/refcook.html

Solution / Fix

Mozilla OnUnload Referer Information Leakage Vulnerability

Solution:
Conectiva has released a security advisory containing fixes. Users are advised to upgrade their Mozilla and Galeon packages as soon as possible.

Fixes are available:


Mozilla Browser 0.9.9

Mozilla Browser 1.0

Mozilla Browser 1.0.1

Mozilla Browser 1.1

Galeon Galeon Browser 1.2.4

Galeon Galeon Browser 1.2.5

Galeon Galeon Browser 1.2.6

References

Mozilla OnUnload Referer Information Leakage Vulnerability

References:

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