CVE-2014-1421 Security feature bypass in n/a

High 7.2 Published Updated

Local attackers can bypass access restrictions in the mountall utility due to improper umask handling, potentially escalating privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2014-1421?

CVE-2014-1421 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 25 Nov 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

mountall 1.54, as used in Ubuntu 14.10, does not properly handle the umask when using the mount utility, which allows local users to bypass intended access restrictions via unspecified vectors.

Weakness: CWE-264

Which versions are affected by CVE-2014-1421?

It affects 1 product.

Products include Canonical Ubuntu Linux.

How do I fix CVE-2014-1421?

No fix has been published for CVE-2014-1421 yet. Limit exposure of the affected software until one is available.

Is CVE-2014-1421 being exploited?

There is no known exploitation of CVE-2014-1421 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as GHSA-284v-wmgp-rgxg.

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