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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200711-33">
<title>nss_ldap: Information disclosure</title>
A race condition might lead to theft of user credentials or information
disclosure in services using nss_ldap.
<product type="ebuild">nss_ldap</product>
<announced>November 25, 2007</announced>
<revised>November 25, 2007: 01</revised>
<package name="sys-auth/nss_ldap" auto="yes" arch="*">
<unaffected range="ge">258</unaffected>
<vulnerable range="lt">258</vulnerable>
nss_ldap is a Name Service Switch module which allows 'passwd', 'group'
and 'host' database information to be pulled from LDAP.
Josh Burley reported that nss_ldap does not properly handle the LDAP
connections due to a race condition that can be triggered by
multi-threaded applications using nss_ldap, which might lead to
requested data being returned to a wrong process.
<impact type="low">
Remote attackers could exploit this race condition by sending queries
to a vulnerable server using nss_ldap, possibly leading to theft of
user credentials or information disclosure (e.g. Dovecot returning
wrong mailbox contents).
There is no known workaround at this time.
All nss_ldap users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=sys-auth/nss_ldap-258&quot;</code>
<uri link="">CVE-2007-5794</uri>
<metadata tag="requester" timestamp="Sun, 18 Nov 2007 15:50:09 +0000">
<metadata tag="bugReady" timestamp="Sun, 18 Nov 2007 15:50:16 +0000">
<metadata tag="submitter" timestamp="Wed, 21 Nov 2007 00:25:43 +0000">