WordPress Pingback SourceURI Denial Of Service and Information Disclosure Vulnerability

BID:22220

Info

WordPress Pingback SourceURI Denial Of Service and Information Disclosure Vulnerability

Bugtraq ID: 22220
Class: Design Error
CVE: CVE-2007-0540
Remote: Yes
Local: No
Published: Jan 24 2007 12:00AM
Updated: May 01 2008 08:46PM
Credit: Blake Matheny discovered these issues.
Vulnerable: WordPress Wordpress (B2) 0.6.2 .1
WordPress Wordpress (B2) 0.6.2
WordPress WordPress 2.0.7
WordPress WordPress 2.0.6
WordPress WordPress 2.0.5
WordPress WordPress 2.0.4
WordPress WordPress 2.0.3
WordPress WordPress 2.0.2
WordPress WordPress 2.0.1
WordPress WordPress 2.0
WordPress WordPress 1.5.2
WordPress WordPress 1.5.1 .3
WordPress WordPress 1.5.1 .2
WordPress WordPress 1.5.1
WordPress WordPress 1.5
WordPress WordPress 1.2.2
WordPress WordPress 1.2.1
+ Gentoo Linux
WordPress WordPress 1.2
+ Gentoo Linux 1.4
+ Gentoo Linux
WordPress WordPress 0.71
WordPress WordPress 0.7
Debian Linux 4.0 sparc
Debian Linux 4.0 s/390
Debian Linux 4.0 powerpc
Debian Linux 4.0 mipsel
Debian Linux 4.0 mips
Debian Linux 4.0 m68k
Debian Linux 4.0 ia-64
Debian Linux 4.0 ia-32
Debian Linux 4.0 hppa
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Not Vulnerable: WordPress WordPress 2.1

Discussion

WordPress Pingback SourceURI Denial Of Service and Information Disclosure Vulnerability

WordPress is prone to a denial-of-service vulnerability and an information-disclosure vulnerability.

Attackers can exploit these issues to consume memory and bandwidth resources, denying service to legitimate users, or to gain information that may aid in further attacks.

Versions prior to WordPress 2.1 are vulnerable.

Exploit / POC

WordPress Pingback SourceURI Denial Of Service and Information Disclosure Vulnerability

An attacker can exploit these issues via a browser.

The following proof-of-concept POST request is available: (22220.html)

A Python script that conducts a denial-of-service attack is also available: (exploit.py)

Solution / Fix

WordPress Pingback SourceURI Denial Of Service and Information Disclosure Vulnerability

Solution:
The vendor has released WordPress 2.1 to address this issue. Please see the references for more information.


WordPress Wordpress (B2) 0.6.2 .1

WordPress Wordpress (B2) 0.6.2

WordPress WordPress 0.7

WordPress WordPress 0.71

WordPress WordPress 1.2

WordPress WordPress 1.2.1

WordPress WordPress 1.2.2

WordPress WordPress 1.5

WordPress WordPress 1.5.1 .3

WordPress WordPress 1.5.1

WordPress WordPress 1.5.1 .2

WordPress WordPress 1.5.2

WordPress WordPress 2.0

WordPress WordPress 2.0.1

WordPress WordPress 2.0.2

WordPress WordPress 2.0.3

WordPress WordPress 2.0.4

WordPress WordPress 2.0.5

WordPress WordPress 2.0.6

WordPress WordPress 2.0.7

References

WordPress Pingback SourceURI Denial Of Service and Information Disclosure Vulnerability

References:
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