[SA21721] OpenLDAP slapd "selfwrite" Security Issue

TITLE:
OpenLDAP slapd "selfwrite" Security Issue

SECUNIA ADVISORY ID:
SA21721

VERIFY ADVISORY:
http://secunia.com/advisories/21721/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
OpenLDAP 2.3.x
http://secunia.com/product/5943/

DESCRIPTION:
Howard Chu has reported a security issue in OpenLDAP, which can be
exploited by malicious users to bypass certain security
restrictions.

The security issue is caused due to an error within the Access
Control List processing. If a user has "selfwrite" access to an
attribute, this can be exploited to modify arbitrary values of the
attribute.

SOLUTION:
Update to version 2.3.25.

PROVIDED AND/OR DISCOVERED BY:
Howard Chu

ORIGINAL ADVISORY:
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=4587

About:
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everybody keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/about_secunia_advisories/

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