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Red Hat Directory Server Regular Expression Handler Buffer Overflow

Secunia Advisory: SA30181  
Release Date: 2008-05-12

Critical:
Moderately critical
Impact: DoS
System access
Where: From local network
Solution Status: Vendor Patch

Software:Red Hat Directory Server 7.x
Red Hat Directory Server 8.x

CVE reference:CVE-2008-1677 (Secunia mirror)

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Description:
A vulnerability has been reported in Red Hat Directory Server, which can be exploited by malicious users to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the regular expression handler and can be exploited to cause a buffer overflow by supplying an overly long regular expression in an LDAP search.

Successful exploitation may allow execution of arbitrary code.

Solution:
Updated packages are available via Red Hat Network.
http://rhn.redhat.com/

Provided and/or discovered by:
Nathan Kinder

Changelog:
2008-05-12: Added link to RHSA-2008-0268.

Original Advisory:
http://rhn.redhat.com/errata/RHSA-2008-0269.html
http://rhn.redhat.com/errata/RHSA-2008-0268.html



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.

4 Related Secunia Security Advisories

1. Red Hat update for redhat-ds-admin
2. Red Hat Directory Server Insecure File Permissions
3. Red Hat Directory Server Insecure Directory Permissions
4. Red Hat Directory Server / Certificate Server Buffer Overflow


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