CVE-2018-12440 Information disclosure in n/a
Attackers with local or same-host VM access can recover DSA private keys via memory-cache side-channel attacks in BoringSSL.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-12440?
CVE-2018-12440 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
BoringSSL through 2018-06-14 allows a memory-cache side-channel attack on DSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover a DSA 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-2018-12440?
It affects 1 product.
Products include Google Boringssl.
How do I fix CVE-2018-12440?
No fix has been published for CVE-2018-12440 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-12440 being exploited?
There is no known exploitation of CVE-2018-12440 in the wild and no public exploit code.
Sources
Also known as GHSA-mwrj-3qqh-xprh.