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TITLE:
Red Hat Directory Server Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA31565

VERIFY ADVISORY:
http://secunia.com/advisories/31565/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, DoS, System access

WHERE:
>From remote

SOFTWARE:
Red Hat Directory Server 7.x
http://secunia.com/product/7016/

DESCRIPTION:
Some vulnerabilities have been reported in Red Hat Directory Server,
which can be exploited by malicious people to conduct cross-site
scripting attacks, cause a DoS (Denial of Service), and potentially
compromise a vulnerable system.

1) Multiple memory leaks can be exploited to potentially exhaust all
available memory via specially crafted requests.

2) An error in the processing of LDAP search patterns can be
exploited to trigger a high CPU usage via specially crafted LDAP
requests.

3) A boundary error within multiple Red Hat Directory Server CGI
applications when processing "Accept-Language" HTTP headers can be
exploited to cause a buffer overflow and potentially execute
arbitrary code with "root" privileges by sending a specially crafted
request to a vulnerable system.

Successful exploitation requires that the attacker is able to connect
to the administration server web interface.

4) Input containing the "%" character passed to the Directory Server
Administration Express and Directory Server Gateway (DSGW) is not
properly sanitised before being returned to the administrator. This
can be exploited to execute arbitrary HTML and script code in an
administrator's browser session in context of an affected site.

SOLUTION:
Update to Red Hat Directory Server 7.1, Service Pack 7.
http://rhn.redhat.com

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Richard Megginson
2) The vendor credits Ulf Weltman of Hewlett Packard.
3, 4) Reported by the vendor.

ORIGINAL ADVISORY:
https://rhn.redhat.com/errata/RHSA-2008-0596.html

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