Vulnerability CVE-2012-3429
Published: 2012-08-07   Modified: 2012-08-08

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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Martin nagy -> Bind-dyndb-ldap 

 References:
http://www.securitytracker.com/id?1027341
http://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/commit/?id=f345805c73c294db42452ae966c48fbc36c48006
https://bugzilla.redhat.com/show_bug.cgi?id=842466
http://xforce.iss.net/xforce/xfdb/77391
http://www.securityfocus.com/bid/54787
http://www.openwall.com/lists/oss-security/2012/08/02/5
http://secunia.com/advisories/50159
http://secunia.com/advisories/50086
http://rhn.redhat.com/errata/RHSA-2012-1139.html
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