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CVE-2012-3429

Date: August 7, 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.

Language: C

Severity Score

Related Resources (12)

https://nvd.nist.gov/vuln/detail/CVE-2012-3429
http://www.openwall.com/lists/oss-security/2012/08/02/5
http://www.securitytracker.com/id?1027341
http://secunia.com/advisories/50086
https://bugzilla.redhat.com/show_bug.cgi?id=842466
http://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/commit/?id=f345805c73c294db42452ae966c48fbc36c48006
https://exchange.xforce.ibmcloud.com/vulnerabilities/77391
http://www.securityfocus.com/bid/54787
https://access.redhat.com/security/cve/CVE-2012-3429
http://rhn.redhat.com/errata/RHSA-2012-1139.html
http://secunia.com/advisories/50159
https://www.mend.io/vulnerability-database/CVE-2012-3429

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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