GHSA-fpr5-jp2j-4q2f paillier-zk has ambiguous challenge derivation

Not scored Published

Ambiguous challenge derivation in paillier-zk non-interactive proofs may allow security bypasses in cryptographic protocols.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is GHSA-fpr5-jp2j-4q2f?

GHSA-fpr5-jp2j-4q2f is a vulnerability in paillier-zk, published on 18 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Challenge derivation in non-interactive ZK proofs was ambiguous and that could lead to security vulnerability (however, it's unknown if it could be exploited).

Which versions are affected by GHSA-fpr5-jp2j-4q2f?

3 open source packages ship an affected version, including paillier-zk.

PackageAffectedFixed in
paillier-zk crates.ioAll versions0.4.0
paillier-zk crates.ioAll versions0.4.0
paillier-zk crates.ioFrom 0.0.0-00.4.0

How do I fix GHSA-fpr5-jp2j-4q2f?

Upgrade paillier-zk to 0.4.0 or later.

Is GHSA-fpr5-jp2j-4q2f being exploited?

There is no known exploitation of GHSA-fpr5-jp2j-4q2f in the wild and no public exploit code.

Sources

Also known as RUSTSEC-2024-0391.

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