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pam_ldap Client Authentication Security Bypass
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Secunia Advisory:
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SA16518
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Release Date:
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2005-08-24
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Last Update:
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2005-08-25
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Critical:
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Less critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | pam_ldap 1.x
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| | CVE reference: | CVE-2005-2641 (Secunia mirror)
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Description:
A security issue has been reported in pam_ldap, which can be exploited by malicious people to bypass certain security restrictions.
The problem is caused due to an error when a pam_ldap client authenticates against an LDAP server that returns a passwordPolicyResponse control in a BindResponse without the optional "error" field.
Successful exploitation grants access without checking the authentication result.
The security issue has been reported in versions 169 through 179.
Solution:
Update to version 180.
Provided and/or discovered by:
Reported by vendor.
Changelog:
2005-08-25: Added link to US-CERT vulnerability note.
Original Advisory:
US-CERT VU#778916:
http://www.kb.cert.org/vuls/id/778916
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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3 Related Secunia Security Advisories
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1. pam_ldap "PasswordPolicyResponse" Security Bypass
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2. OpenLDAP / pam_ldap / nss_ldap Password Disclosure Security Issue
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3. pam_ldap pam_filter Access Control Bypass Vulnerability
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