CVE Vulnerability

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.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 4.9 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.nozominetworks.com/blog/nozomi-networks-discovers-unpatched-dns-bug-in-popular-c-standard-library-putting-iot-at-risk/ Third Party Advisory
https://www.kb.cert.org/vuls/id/473698 Third Party Advisory US Government Resource
Configurations

Configuration 1

cpe:2.3:a:uclibc:uclibc:*:*:*:*:*:*:*:*
cpe:2.3:a:uclibc-ng_project:uclibc-ng:*:*:*:*:*:*:*:*
Information

Published : 2022-05-06 05:15

Updated : 2022-05-16 05:53

NVD link : CVE-2022-30295

Mitre link : CVE-2022-30295

Products Affected
No products.
CWE
NVD-CWE-noinfo