Vulnerability in Uclibc

CVE-2022-30295

uClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a reset of a value to 0x2.

EPSS: 0.113 (95.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2022-30295?
CVE-2022-30295 is a medium-severity vulnerability in Uclibc, classified under Use of Insufficiently Random Values. CVSS score: 6.5/10. Published 2022-05-06.
How severe is CVE-2022-30295?
Medium severity. CVSS v3 base score is 6.5 out of 10.