CVE-2007-3108 Information disclosure in n/a

Low 1.2 Published Updated

Local attackers can exploit a side-channel flaw in OpenSSL's Montgomery multiplication to retrieve RSA private keys.

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-2007-3108?

CVE-2007-3108 is a low-severity vulnerability in Openssl Openssl, published on 8 Aug 2007. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The BN_from_montgomery function in crypto/bn/bn_mont.c in OpenSSL 0.9.8e and earlier does not properly perform Montgomery multiplication, which might allow local users to conduct a side-channel attack and retrieve RSA private keys.

Which versions are affected by CVE-2007-3108?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2007-3108?

Upgrade to a fixed version.

Is CVE-2007-3108 being exploited?

There is no known exploitation of CVE-2007-3108 in the wild and no public exploit code.

All Openssl Openssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2007-3108, GHSA-p7c7-98j2-8p2x.

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