CVE-2012-4392 Auth bypass in n/a

High 7.5 Published Updated

Remote attackers can bypass authentication in ownCloud by crafting a malicious oc_token cookie, gaining unauthorized access to user accounts.

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-2012-4392?

CVE-2012-4392 is a high-severity authentication bypass vulnerability in Owncloud Owncloud Server, published on 5 Sep 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

index.php in ownCloud 4.0.7 does not properly validate the oc_token cookie, which allows remote attackers to bypass authentication via a crafted oc_token cookie value.

Weakness: CWE-287

Which versions are affected by CVE-2012-4392?

It affects 1 product.

Products include Owncloud Owncloud Server.

How do I fix CVE-2012-4392?

No fix has been published for CVE-2012-4392 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-2012-4392 being exploited?

There is no known exploitation of CVE-2012-4392 in the wild and no public exploit code.

All Owncloud Owncloud Server vulnerabilities

Sources

Also known as GHSA-rv2q-w6gm-pjm2.

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