CVE-2018-12421 Auth bypass in n/a

Critical 9.8 Published Updated

Attackers can change user passwords without knowing the old password via crafted requests due to improper handling of LDAP bind results.

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-2018-12421?

CVE-2018-12421 is a critical authentication bypass vulnerability in n/a, published on 14 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

LTB (aka LDAP Tool Box) Self Service Password before 1.3 allows a change to a user password (without knowing the old password) via a crafted POST request, because the ldap_bind return value is mishandled and the PHP data type is not constrained to be a string.

Weakness: CWE-640

Which versions are affected by CVE-2018-12421?

It affects 1 product.

Products include Ltb-Project Ldap Tool Box Self Service Password.

How do I fix CVE-2018-12421?

No fix has been published for CVE-2018-12421 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-12421 being exploited?

There is no known exploitation of CVE-2018-12421 in the wild and no public exploit code.

Sources

Also known as GHSA-mxq8-mx56-69hw.

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