National Vulnerability Database

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    Vulnerabilities Detail

CVE-2012-3429 Detail

Description

The dns_to_ldap_dn_escape function in src/ldap_convert.c in bind-dyndb-ldap 1.1.0rc1 and earlier does not properly escape distinguished names (DN) for LDAP queries, which allows remote DNS servers to cause a denial of service (named service hang) via a "$" character in a DN in a DNS query.

Source:  MITRE
Description Last Modified:  08/07/2012

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/commit/?id=f345805c73c294db42452ae966c48fbc36c48006 Exploit Patch
http://rhn.redhat.com/errata/RHSA-2012-1139.html
http://www.openwall.com/lists/oss-security/2012/08/02/5
http://www.securityfocus.com/bid/54787
http://www.securitytracker.com/id?1027341 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=842466
https://exchange.xforce.ibmcloud.com/vulnerabilities/77391

Technical Details

Vulnerability Type (View All)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-3429
NVD Published Date:
08/07/2012
NVD Last Modified:
08/28/2017