Critical: Red Hat Directory Server 7.1 Service Pack 6 security update

An updated redhat-ds package that addresses a security issue is now
available as Red Hat Directory Server 7.1, Service Pack 6.

This update has been rated as having critical security impact by the Red
Hat Security Response Team.

Red Hat Directory Server is an LDAPv3-compliant directory server.

A buffer overflow flaw was found in the Red Hat Directory Server 7.1
regular expression handler. An unauthenticated attacker could construct a
malicious LDAP query that could cause the LDAP server to crash or possibly
execute arbitrary code. (CVE-2008-1677)

For more information about Service Pack 6, including upgrade and
installation instructions for users running Red Hat Directory Server 7.1 on
Solaris, please refer to the Red Hat Directory Server 7.1 SP6 release
notes, available at:

http://www.redhat.com/docs/manuals/dir-server/release-notes/7.1SP6/

All users of Red Hat Directory Server 7.1 should upgrade to Service Pack 6,
which resolves this issue.

This update is available via Red Hat Network.

Users running Red Hat Directory Server 7.1 on Red Hat Enterprise Linux
should consult the following Knowledge Base article for instruction on how
to install updated RPM packages: http://kbase.redhat.com/faq/FAQ_58_10188

Users running Red Hat Directory Server 7.1 on Solaris should consult the
Service Pack 6 release notes (see above for URL) for installation and
upgrade instructions.

182621 - Allow larger regex buffer to enable long substring filters
444712 - CVE-2008-1677 Directory Server: insufficient buffer size for search patterns

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1677
http://www.redhat.com/security/updates/classification/#critical