CVE-2003-0147 Information disclosure in n/a
Attackers can recover private keys via timing side-channels because RSA blinding is disabled by default in OpenSSL.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2003-0147?
CVE-2003-0147 is a medium-severity vulnerability in Openssl Openssl, published on 18 Mar 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenSSL does not use RSA blinding by default, which allows local and remote attackers to obtain the server's private key by determining factors using timing differences on (1) the number of extra reductions during Montgomery reduction, and (2) the use of different integer multiplication algorithms ("Karatsuba" and normal).
Which versions are affected by CVE-2003-0147?
It affects 3 products.
Products include Openpkg Openpkg, Openssl Openssl, Stunnel Stunnel.
How do I fix CVE-2003-0147?
Change a configuration setting.
Is CVE-2003-0147 being exploited?
There is no known exploitation of CVE-2003-0147 in the wild and no public exploit code.
Other vulnerabilities in Openssl Openssl
Sources
Also known as DEBIAN-CVE-2003-0147, GHSA-4q57-g9fh-w67x.