CVE-2006-6493 Memory corruption in n/a

Medium 5.1 Published Updated

Remote attackers can execute arbitrary code via a buffer overflow in OpenLDAP when the Kerberos KBIND option is enabled.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2006-6493?

CVE-2006-6493 is a medium-severity memory corruption vulnerability in Openldap Openldap, published on 13 Dec 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in the krbv4_ldap_auth function in servers/slapd/kerberos.c in OpenLDAP 2.4.3 and earlier, when OpenLDAP is compiled with the --enable-kbind (Kerberos KBIND) option, allows remote attackers to execute arbitrary code via an LDAP bind request using the LDAP_AUTH_KRBV41 authentication method and long credential data.

Which versions are affected by CVE-2006-6493?

It affects 1 product.

Products include Openldap Openldap.

How do I fix CVE-2006-6493?

No fix has been published for CVE-2006-6493 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2006-6493 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-6493 exists.

Public exploit code: 1 Exploit-DB entry.

All Openldap Openldap vulnerabilities

Sources

Also known as GHSA-33pq-qxh4-xwpc.

Is CVE-2006-6493 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free