CVE-2018-3756 Security feature bypass in n/a
Attackers can bypass signature verification in Hyperledger Iroha by submitting multiple signatures with random nonces, compromising transaction integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-3756?
CVE-2018-3756 is a high-severity vulnerability in n/a, published on 1 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Hyperledger Iroha versions v1.0_beta and v1.0.0_beta-1 are vulnerable to transaction and block signature verification bypass in the transaction and block validator allowing a single node to sign a transaction and/or block multiple times, each with a random nonce, and have other validating nodes accept them as separate valid signatures.
Weakness: CWE-347
Which versions are affected by CVE-2018-3756?
It affects 1 product.
Products include Hyperledger Iroha.
How do I fix CVE-2018-3756?
No fix has been published for CVE-2018-3756 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-3756 being exploited?
There is no known exploitation of CVE-2018-3756 in the wild and no public exploit code.
Sources
Also known as GHSA-jmw4-vrcr-pppg.