CVE-2013-4208 Information disclosure in n/a

Low 2.1 Published Updated

Local attackers can discover private RSA and DSA keys due to sensitive memory not being cleared or freed in PuTTY.

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-2013-4208?

CVE-2013-4208 is a low-severity vulnerability in n/a, published on 19 Aug 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory, which might allow local users to discover private RSA and DSA keys.

Weakness: CWE-200

Which versions are affected by CVE-2013-4208?

It affects 2 products.

Products include Putty Putty, Simon Tatham Putty.

How do I fix CVE-2013-4208?

Upgrade to a fixed version.

Is CVE-2013-4208 being exploited?

There is no known exploitation of CVE-2013-4208 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2013-4208, GHSA-gpf3-9fhm-cfpr.

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