CVE-2010-0014 Auth bypass in n/a

Low 3.7 Published Updated

Attackers can bypass screen-lock authentication on Linux workstations using SSSD with Kerberos when the KDC is unreachable, gaining unauthorized access.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2010-0014?

CVE-2010-0014 is a low-severity authentication bypass vulnerability in n/a, published on 14 Jan 2010. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

System Security Services Daemon (SSSD) before 1.0.1, when the krb5 auth_provider is configured but the KDC is unreachable, allows physically proximate attackers to authenticate, via an arbitrary password, to the screen-locking program on a workstation that has any user's Kerberos ticket-granting ticket (TGT); and might allow remote attackers to bypass intended access restrictions via vectors involving an arbitrary password in conjunction with a valid TGT.

Weakness: CWE-287

Which versions are affected by CVE-2010-0014?

It affects 1 product.

Products include Fedoraproject Sssd.

How do I fix CVE-2010-0014?

Upgrade to a fixed version.

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

Is CVE-2010-0014 being exploited?

There is no known exploitation of CVE-2010-0014 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2010-0014, GHSA-fh23-xmjc-5cw7.

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