| <?xml version="1.0" encoding="utf-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| |
| <glsa id="200508-22"> |
| <title>pam_ldap: Authentication bypass vulnerability</title> |
| <synopsis> |
| pam_ldap contains a vulnerability that may allow a remote attacker to gain |
| system access. |
| </synopsis> |
| <product type="ebuild">pam_ldap</product> |
| <announced>August 31, 2005</announced> |
| <revised>August 31, 2005: 01</revised> |
| <bug>103659</bug> |
| <access>remote</access> |
| <affected> |
| <package name="sys-auth/pam_ldap" auto="yes" arch="*"> |
| <unaffected range="ge">180</unaffected> |
| <vulnerable range="lt">180</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p> |
| pam_ldap is a Pluggable Authentication Module which allows |
| authentication against LDAP directories. |
| </p> |
| </background> |
| <description> |
| <p> |
| When a pam_ldap client attempts to authenticate against an LDAP |
| server that omits the optional error value from the |
| PasswordPolicyResponseValue, the authentication attempt will always |
| succeed. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p> |
| A remote attacker may exploit this vulnerability to bypass the |
| LDAP authentication mechanism, gaining access to the system possibly |
| with elevated privileges. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| There is no known workaround at this time. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All pam_ldap users should upgrade to the latest version: |
| </p> |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=sys-auth/pam_ldap-180"</code> |
| </resolution> |
| <references> |
| <uri link="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2641">CAN-2005-2641</uri> |
| <uri link="http://www.kb.cert.org/vuls/id/778916">US-CERT VU#778916</uri> |
| </references> |
| <metadata tag="requester" timestamp="Mon, 29 Aug 2005 14:50:51 +0000"> |
| koon |
| </metadata> |
| <metadata tag="bugReady" timestamp="Mon, 29 Aug 2005 14:51:34 +0000"> |
| koon |
| </metadata> |
| <metadata tag="submitter" timestamp="Mon, 29 Aug 2005 20:08:30 +0000"> |
| adir |
| </metadata> |
| </glsa> |