Vulnerability · Published May 6, 2022 · Assigned by mitre
CVE-2022-30295
Medium 6.5
In plain English
A medium-severity security flaw in the uclibc package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 11.2% (higher than 96% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)11.2%top 4.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | uclibc | no fix listed | DEBIAN-CVE-2022-30295 |
| Debian:13 | uclibc | no fix listed | DEBIAN-CVE-2022-30295 |
| Debian:14 | uclibc | no fix listed | DEBIAN-CVE-2022-30295 |
Affected products (as reported)
References
- https://www.nozominetworks.com/blog/nozomi-networks-discovers-unpatched-dns-bug-in-popular-c-standard-library-putting-iot-at-risk/ x_refsource_MISC
- VU#473698 third-party-advisory, x_refsource_CERT-VN