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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200403-12] OpenLDAP DoS Vulnerability


Vulnerability Assessment Details

[GLSA-200403-12] OpenLDAP DoS Vulnerability

Vulnerability Assessment Summary
OpenLDAP DoS Vulnerability

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200403-12
(OpenLDAP DoS Vulnerability)


A password extended operation (password EXOP) which fails will cause the
slapd server to free() an uninitialized pointer, possibly resulting in a
segfault. This only affects servers using the back-ldbm backend.
Such a crash is not guaranteed with every failed operation, however, it is
possible.

Impact

A possible hacker (or indeed, a normal user) may crash the OpenLDAP server,
creating a Denial of Service condition.

Workaround

A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of OpenLDAP.

References:
http://www.openldap.org/its/index.cgi?findid=2390


Solution:
OpenLDAP users should upgrade to version 2.1.17 or later:
# emerge sync
# emerge -pv ">=net-nds/openldap-2.1.17"
# emerge ">=net-nds/openldap-2.1.17"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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