CVE-2012-2134

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.51% Top 20%
Vendor Advisory redhat.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/48901 third party advisory vendor advisory
https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html mailing list
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 patch vendor advisory
http://www.osvdb.org/81619 vdb entry
http://www.openwall.com/lists/oss-security/2012/04/24/15 mailing list

Frequently Asked Questions

What is the severity of CVE-2012-2134?
CVE-2012-2134 has been scored as a medium severity vulnerability.
How to fix CVE-2012-2134?
To fix CVE-2012-2134, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-2134 being actively exploited in the wild?
It is possible that CVE-2012-2134 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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