CVE-2018-12433 Information disclosure in n/a
Attackers with local or co-tenant access can recover private keys from DSA and ECDSA signatures via memory-cache side-channel attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-12433?
CVE-2018-12433 is a medium-severity vulnerability in n/a, published on 15 Jun 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cryptlib through 3.4.4 allows a memory-cache side-channel attack on DSA and ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover a key, the attacker needs access to either the local machine or a different virtual machine on the same physical host. NOTE: the vendor does not include side-channel attacks within its threat model
Which versions are affected by CVE-2018-12433?
It affects 1 product.
Products include Cryptlib Cryptlib.
How do I fix CVE-2018-12433?
No fix has been published for CVE-2018-12433 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-12433 being exploited?
There is no known exploitation of CVE-2018-12433 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-h29m-v9g7-4vg2.