CVE-2022-30295

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 06-05-2022 07:15

Last modified: - 07-10-2022 10:19

Total changes: - 4

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

High

Attack complexity

Network

Attack vector

None

Availability

High

Confidentiality

Low

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

6.5

Base score

2.2

4.2

Exploitability score

Impact score

Verification logic

Reference

https://www.nozominetworks.com/blog/nozomi-networks-discovers-unpatched-dns-bug-in-popular-c-standard-library-putting-iot-at-risk/
VU#473698-Third Party Advisory, US Government Resource

Keywords

CVE-2022-30295

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2022-30295

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures