Vulnerability CVE-2008-4106
Published: 2008-09-18   Modified: 2012-02-12

Description:
WordPress before 2.6.2 does not properly handle MySQL warnings about insertion of username strings that exceed the maximum column width of the user_login column, and does not properly handle space characters when comparing usernames, which allows remote attackers to change an arbitrary user's password to a random value by registering a similar username and then requesting a password reset, related to a "SQL column truncation vulnerability." NOTE: the attacker can discover the random password by also exploiting CVE-2008-4107.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Wordpress user_login Column SQL Truncation Vulnerability
Stefan Esser
12.09.2008

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:H/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.1/10
6.4/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Wordpress -> Wordpress 

 References:
http://marc.info/?l=oss-security&m=122152830017099&w=2
http://securityreason.com/securityalert/4272
http://securitytracker.com/id?1020869
http://wordpress.org/development/2008/09/wordpress-262/
http://www.debian.org/security/2009/dsa-1871
http://www.openwall.com/lists/oss-security/2008/09/11/6
http://www.securityfocus.com/archive/1/496287/100/0/threaded
http://www.securityfocus.com/bid/31068
http://www.sektioneins.de/advisories/SE-2008-05.txt
http://www.suspekt.org/2008/08/18/mysql-and-sql-column-truncation-vulnerabilities/
http://www.vupen.com/english/advisories/2008/2553
https://www.exploit-db.com/exploits/6397
https://www.exploit-db.com/exploits/6421
https://www.redhat.com/archives/fedora-package-announce/2008-September/msg00607.html
https://www.redhat.com/archives/fedora-package-announce/2008-September/msg00629.html
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