CVE-2022-24403

De-anonymization attack in TETRA

Description

The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK (Class 2 networks) or CCK (Class 3 networks). The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given only three known encrypted/unencrypted identity pairs.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Third-Party Advisory tetraburst.com
Affected: ETSI TETRA Standard
Published at:
Updated at:

References

Link Tags
https://tetraburst.com/ third party advisory related

Frequently Asked Questions

What is the severity of CVE-2022-24403?
CVE-2022-24403 has been scored as a medium severity vulnerability.
How to fix CVE-2022-24403?
To fix CVE-2022-24403, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-24403 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-24403 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-24403?
CVE-2022-24403 affects ETSI TETRA Standard.
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