CVE-2016-5026 Race condition in n/a

Medium 5.5 Published Updated

Local attackers can modify OnionShare hidden services by pre-creating the temporary directory, leading to potential privilege escalation or data modification.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2016-5026?

CVE-2016-5026 is a medium-severity vulnerability in n/a, published on 30 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

hs.py in OnionShare before 0.9.1 allows local users to modify the hiddenservice by pre-creating the /tmp/onionshare directory.

Weakness: CWE-284

Which versions are affected by CVE-2016-5026?

It affects 1 product.

Products include Onionshare Onionshare.

How do I fix CVE-2016-5026?

Upgrade to a fixed version.

Is CVE-2016-5026 being exploited?

There is no known exploitation of CVE-2016-5026 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2016-5026, GHSA-55hg-465f-gp62, UBUNTU-CVE-2016-5026.

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