SB2022081632 - DNS cache poisoning in totd
Published: August 16, 2022
Security Bulletin ID
SB2022081632
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of insufficiently random values (CVE-ID: CVE-2022-34294)
CWE-ID: CWE-330 - Use of Insufficiently Random Values
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform DNS cache poisoning attacks.
The vulnerability exists due to totd uses a fixed UDP source port in upstream queries sent to DNS resolvers. A remote attacker can conduct DNS cache-poisoning attacks.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.