Predictable Exact Value from Previous Values in uClibC-ng - CVE-2022-30295

 

Predictable Exact Value from Previous Values in uClibC-ng - CVE-2022-30295

Published: February 13, 2023


Vulnerability identifier: #VU72145
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-30295
CWE-ID: CWE-342
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform DNS cache poisoning.

The vulnerability exists due to software uses predictable DNS transaction IDs. A remote attacker can perform DNS cache poisoning.


Affected software

uClibC-ng
uClibC

How to mitigate CVE-2022-30295

Install updates from vendor's website.

uClibC-ng - update to 1.0.41

External References

Related Security Bulletins