CVE-2021-34430: Weak Encryption
First published: Thu Jul 08 2021(Updated: )
Eclipse TinyDTLS through 0.9-rc1 relies on the rand function in the C library, which makes it easier for remote attackers to compute the master key and then decrypt DTLS traffic.
Credit: emo@eclipse.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Eclipse TinyDTLS | <=0.8.2 | |
| Eclipse TinyDTLS | =0.9-rc1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-34430?
CVE-2021-34430 is classified as a high severity vulnerability that could allow attackers to decrypt DTLS traffic.
How do I fix CVE-2021-34430?
To fix CVE-2021-34430, upgrade Eclipse TinyDTLS to version 0.9-rc2 or later.
What are the implications of CVE-2021-34430?
The implications of CVE-2021-34430 include potential exposure of sensitive data due to insecure random number generation.
Which versions of Eclipse TinyDTLS are affected by CVE-2021-34430?
Eclipse TinyDTLS versions up to and including 0.8.2 and 0.9-rc1 are affected by CVE-2021-34430.
Can CVE-2021-34430 be exploited remotely?
Yes, CVE-2021-34430 can be exploited remotely, allowing attackers to compute the master key from compromised DTLS traffic.
- agent/weakness
- agent/type
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/author
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/tags
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- agent/source
- vendor/eclipse
- canonical/eclipse tinydtls
- version/eclipse tinydtls/0.8.2
- version/eclipse tinydtls/0.9-rc1