CVE-2005-0366 Weak cryptography in n/a

Medium 5.0 Published 11 Feb 2005 Updated 7 Aug 2024

Remote attackers can recover plaintext from OpenPGP messages using CFB mode via chosen-ciphertext attacks if an integrity check oracle is available.

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-2005-0366?

CVE-2005-0366 is a medium-severity vulnerability in n/a, published on 11 Feb 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The integrity check feature in OpenPGP, when handling a message that was encrypted using cipher feedback (CFB) mode, allows remote attackers to recover part of the plaintext via a chosen-ciphertext attack when the first 2 bytes of a message block are known, and an oracle or other mechanism is available to determine whether an integrity check failed.

Weakness: CWE-326

Which versions are affected by CVE-2005-0366?

It affects 1 product.

Products include Gnupg Gnupg.

How do I fix CVE-2005-0366?

No fix has been published for CVE-2005-0366 yet. Limit exposure of the affected software until one is available.

Is CVE-2005-0366 being exploited?

There is no known exploitation of CVE-2005-0366 in the wild and no public exploit code.

Sources

Also known as GHSA-gfxg-882h-6vf5.