CVE-2024-25389: Weak RNG
First published: Wed Mar 27 2024(Updated: )
RT-Thread through 5.0.2 generates random numbers with a weak algorithm of "seed = 214013L * seed + 2531011L; return (seed >> 16) & 0x7FFF;" in calc_random in drivers/misc/rt_random.c.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| RT-Thread | <=5.0.2 |
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Reference Links
- https://github.com/RT-Thread/rt-thread/issues/8283
- https://github.com/hnsecurity/vulns/blob/main/HNS-2024-05-rt-thread.txt
- https://seclists.org/fulldisclosure/2024/Mar/28
- https://security.humanativaspa.it/multiple-vulnerabilities-in-rt-thread-rtos/
- http://www.openwall.com/lists/oss-security/2024/03/05/1
Frequently Asked Questions
What is the severity of CVE-2024-25389?
CVE-2024-25389 is classified as a medium severity vulnerability due to its impact on randomness generation.
How do I fix CVE-2024-25389?
To fix CVE-2024-25389, upgrade RT-Thread to version 5.0.3 or later where the random number generation algorithm has been improved.
What are the potential impacts of CVE-2024-25389?
The potential impacts of CVE-2024-25389 include vulnerabilities to cryptographic operations and reduced security in applications relying on randomness.
Is CVE-2024-25389 exploitable remotely?
CVE-2024-25389 is not directly exploitable remotely, but its weak random number generation can lead to security risks in networked applications.
What software versions are affected by CVE-2024-25389?
CVE-2024-25389 affects all RT-Thread versions up to and including 5.0.2.
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