CVE-2022-24402 Intentionally weakened effective strength in TETRA TEA1
The TETRA TEA1 algorithm uses a weakened 32-bit key, allowing attackers to perform exhaustive search and decrypt communications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-24402?
CVE-2022-24402 is a high-severity vulnerability in ETSI TETRA Standard, published on 19 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.
Which versions are affected by CVE-2022-24402?
It affects 1 product.
Products include Midnightblue Tetra\.
How do I fix CVE-2022-24402?
No fix has been published for CVE-2022-24402 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-24402 being exploited?
There is no known exploitation of CVE-2022-24402 in the wild and no public exploit code.
Other vulnerabilities in ETSI TETRA Standard
Sources
Also known as GHSA-2hcc-ww5c-44wh.