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CVE-2012-3429
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…
Medium5.0EPSS 3.1%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Timeline
ID reserved
By redhat
- 54 days later
· 54 days later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.1% · top 12% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (9)
- 1027341 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/commit/?id=f345805c73c294db42452ae966c48fbc36c48006 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2012:1139 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- binddyndbldap-dnstoldapdnescape-dos(77391) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 50159 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 50086 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20120802 bind-dyndb-ldap DoS CVE-2012-3429 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=842466 (opens in a new tab)x_refsource_MISCx_transferred
- 54787 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2012-3429)Record last updated .