CVE-2011-4327 Information disclosure in n/a

Medium 5.5 Published Updated

Local attackers can use ptrace to access sensitive key information from OpenSSH's ssh-keysign due to unintended open file descriptors.

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-2011-4327?

CVE-2011-4327 is a medium-severity vulnerability in OpenSSH, published on 3 Feb 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call.

Weakness: CWE-200

Which versions are affected by CVE-2011-4327?

It affects 1 product.

Products include OpenSSH.

How do I fix CVE-2011-4327?

No fix has been published for CVE-2011-4327 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-4327 being exploited?

There is no known exploitation of CVE-2011-4327 in the wild and no public exploit code.

All OpenSSH vulnerabilities

Sources

Also known as GHSA-9998-pmcc-vpg5.

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