Vulnerability DatabaseCVE-2022-30295
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CVE-2022-30295
May 06, 2022
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.
Related Resources (3)
https://www.nozominetworks.com/blog/nozomi-networks-discovers-unpatched-dns-bug-in-popular-c-standard-library-putting-iot-at-risk/
https://security-tracker.debian.org/tracker/CVE-2022-30295
https://www.kb.cert.org/vuls/id/473698
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CVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
CVSS v2
Base Score:
4
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Weakness Type (CWE)
Use of Insufficiently Random Values
CWE-330
EPSS
Base Score:
0.77