CVE-2018-12437 Information disclosure in n/a
Attackers can recover ECDSA private keys via memory-cache side-channel attacks if they have local or co-located VM access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-12437?
CVE-2018-12437 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
LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Weakness: CWE-200
Which versions are affected by CVE-2018-12437?
It affects 2 products.
Products include Libtom Libtomcrypt, Trustedfirmware Op-Tee.
How do I fix CVE-2018-12437?
Upgrade to a fixed version.
Is CVE-2018-12437 being exploited?
There is no known exploitation of CVE-2018-12437 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2018-12437, UBUNTU-CVE-2018-12437.