Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Martin Nagy | Bind-Dyndb-Ldap | <= 1.1.0 |
Related Weaknesses (CWE)
References
- http://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/commit/?id=f345805c73c294dbExploitPatch
- http://rhn.redhat.com/errata/RHSA-2012-1139.html
- http://secunia.com/advisories/50086Vendor Advisory
- http://secunia.com/advisories/50159Vendor Advisory
- http://www.openwall.com/lists/oss-security/2012/08/02/5
- http://www.securityfocus.com/bid/54787
- http://www.securitytracker.com/id?1027341Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=842466
- https://exchange.xforce.ibmcloud.com/vulnerabilities/77391
- http://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/commit/?id=f345805c73c294dbExploitPatch
- http://rhn.redhat.com/errata/RHSA-2012-1139.html
- http://secunia.com/advisories/50086Vendor Advisory
- http://secunia.com/advisories/50159Vendor Advisory
- http://www.openwall.com/lists/oss-security/2012/08/02/5
- http://www.securityfocus.com/bid/54787
FAQ
What is CVE-2012-3429?
CVE-2012-3429 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 ...
How severe is CVE-2012-3429?
CVE-2012-3429 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-3429?
Check the references section above for vendor advisories and patch information. Affected products include: Martin Nagy Bind-Dyndb-Ldap.