Mod_SSL Wildcard DNS Cross Site Scripting Vulnerability

BID:6029

Info

Mod_SSL Wildcard DNS Cross Site Scripting Vulnerability

Bugtraq ID: 6029
Class: Input Validation Error
CVE: CVE-2002-1157
Remote: Yes
Local: No
Published: Oct 22 2002 12:00AM
Updated: Jul 11 2009 06:06PM
Credit: Discovery credited to Joe Orton.
Vulnerable: Sun Cobalt RaQ XTR
Sun Cobalt RaQ 550
Sun Cobalt RaQ 4
Sun Cobalt Qube 3
OpenPKG OpenPKG 1.1
OpenPKG OpenPKG 1.0
OpenPKG OpenPKG Current
mod_ssl mod_ssl 2.8.9
- Apache Apache 1.3.26
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0
+ Debian Linux 2.2 sparc
 + Debian Linux 2.2 powerpc
 + Debian Linux 2.2 IA-32
 + Debian Linux 2.2 arm
 + Debian Linux 2.2 alpha
 + Debian Linux 2.2 68k
 + Debian Linux 2.2
+ HP Secure OS software for Linux 1.0
+ Slackware Linux 8.1
mod_ssl mod_ssl 2.4 .10
+ Apache Apache 1.3.9
+ Debian Linux 2.2 sparc
 + Debian Linux 2.2 powerpc
 + Debian Linux 2.2 IA-32
 + Debian Linux 2.2 arm
 + Debian Linux 2.2 alpha
 + Debian Linux 2.2 68k
 + Debian Linux 2.2
Mandriva Linux Mandrake 9.0
Mandriva Linux Mandrake 8.2 ppc
Mandriva Linux Mandrake 8.2
Mandriva Linux Mandrake 8.1 ia64
Mandriva Linux Mandrake 8.1
Mandriva Linux Mandrake 8.0 ppc
Mandriva Linux Mandrake 8.0
Mandriva Linux Mandrake 7.2
MandrakeSoft Single Network Firewall 7.2
EnGarde Secure Linux 1.0.1
Apache Apache 2.0.40
+ Redhat Linux 9.0 i386
 + Redhat Linux 8.0
+ Terra Soft Solutions Yellow Dog Linux 3.0
Apache Apache 1.3.23
- IBM AIX 4.3
+ Mandriva Linux Mandrake 8.2 ppc
 + Mandriva Linux Mandrake 8.2
+ Redhat Linux 7.3 i386
 + Redhat Linux 7.3
+ SuSE Linux 8.0 i386
 + SuSE Linux 8.0
+ Trustix Secure Linux 1.5
+ Trustix Secure Linux 1.2
+ Trustix Secure Linux 1.1
Apache Apache 1.3.22
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Server 3.1
+ Caldera OpenLinux Workstation 3.1.1
+ Caldera OpenLinux Workstation 3.1
+ MandrakeSoft Corporate Server 1.0.1
+ Mandriva Linux Mandrake 8.1 ia64
 + Mandriva Linux Mandrake 8.1
+ Mandriva Linux Mandrake 8.0 ppc
 + Mandriva Linux Mandrake 8.0
+ Mandriva Linux Mandrake 7.2
+ OpenPKG OpenPKG 1.0
+ Redhat Linux 7.2 ia64
 + Redhat Linux 7.2 i386
 + Redhat Linux 7.1 ia64
 + Redhat Linux 7.1 i386
 + Redhat Linux 7.1 alpha
 + Redhat Linux 7.0 i386
 + Redhat Linux 7.0 alpha
 + Redhat Linux 6.2 sparc
 + Redhat Linux 6.2 i386
 + Redhat Linux 6.2 alpha
Not Vulnerable:

Discussion

Mod_SSL Wildcard DNS Cross Site Scripting Vulnerability

A vulnerability has been discovered in the mod_ssl module, for Apache.

It should be noted that the existance of this vulnerability is limited to configurations with both the 'UseCanonicalName' option turned off and wildcard DNS enabled.

It has been reported that Apache v1.x, when using the mod_ssl module will return an unescaped server name in response to HTTP requests on SSL ports.

If all of these circumstances are met, an attacker may be able to exploit this issue via a malicious link containing arbitrary HTML and script code as part of the hostname. When the malicious link is clicked by an unsuspecting user, the attacker-supplied HTML and script code will be executed by their web client. This will occur because the server will echo back the malicious hostname supplied in the client's request, without sufficiently escaping HTML and script code.

Attacks of this nature may make it possible for attackers to manipulate web content or to steal cookie-based authentication credentials. It may be possible to take arbitrary actions as the victim user.

Exploit / POC

Mod_SSL Wildcard DNS Cross Site Scripting Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

Mod_SSL Wildcard DNS Cross Site Scripting Vulnerability

Solution:
Debian has released an advisory containing fixes.

Conectiva Linux has released a security advisory containing fixes. Further information can be obtained from the referenced advisory.

RedHat has released a security advisory (RHSA-2002:222-21) which contains fixes that address this issue. Further details can be obtained from the referenced advisory.

Fixes:


OpenPKG OpenPKG Current

Sun Cobalt RaQ 550

Sun Cobalt Qube 3

Sun Cobalt RaQ 4

Sun Cobalt RaQ XTR

OpenPKG OpenPKG 1.0

EnGarde Secure Linux 1.0.1

OpenPKG OpenPKG 1.1

Apache Apache 1.3.22

Apache Apache 1.3.23

Apache Apache 2.0.40

MandrakeSoft Single Network Firewall 7.2

Mandriva Linux Mandrake 7.2

Mandriva Linux Mandrake 8.0 ppc

Mandriva Linux Mandrake 8.0

Mandriva Linux Mandrake 8.1 ia64

Mandriva Linux Mandrake 8.1

Mandriva Linux Mandrake 8.2 ppc

Mandriva Linux Mandrake 8.2

Mandriva Linux Mandrake 9.0

References

Mod_SSL Wildcard DNS Cross Site Scripting Vulnerability

References:

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