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>> Auth_ldap Module for Apache "ap_log_rerror" Format String Vulnerability
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Title : Auth_ldap Module for Apache "ap_log_rerror" Format String Vulnerability
VUPEN ID : VUPEN/ADV-2006-0117
CVE ID : CVE-2006-0150
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-01-10
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A vulnerability has been identified in Auth_ldap (module for Apache), which could be exploited by remote attackers to execute arbitrary commands. This flaw is due to a format string error in the "auth_ldap_log_reason()" function that does not properly validate certain strings (e.g. username) before being passed to the logging function "ap_log_rerror()", which could be exploited by unauthenticated remote attackers to compromise a vulnerable web server where auth_ldap is installed and configured to perform LDAP authentication.
Affected Products
auth_ldap (module for Apache) versions prior to 1.6.1
Solution
Upgrade to auth_ldap version 1.6.1 :
http://www.rudedog.org/auth_ldap/auth_ldap-1.6.1.tar.gz
References
http://www.vupen.com/english/advisories/2006/0117
http://www.frsirt.com/english/reference/4133
Credits
Vulnerability reported by Seregorn
ChangeLog
2006-01-10 : Initial release
Vulnerability Management
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