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Last updated: 5/30/2016 7:38:25 PM

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Vulnerability Summary for CVE-2012-3429

Original release date: 08/07/2012
Last revised: 08/08/2012


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: MLIST
Name: [oss-security] 20120802 bind-dyndb-ldap DoS CVE-2012-3429
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=842466
External Source: XF
Name: binddyndbldap-dnstoldapdnescape-dos(77391)
External Source: SECTRACK
Name: 1027341
Type: Patch Information
External Source: CONFIRM
Name: http://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/commit/?id=f345805c73c294db42452ae966c48fbc36c48006
Type: Patch Information; Exploit
External Source: REDHAT
Name: RHSA-2012:1139
External Source: BID
Name: 54787

Technical Details

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