Vulnerability identifier: #VU66543
Vulnerability risk: Medium
CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-330
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
totd
Server applications /
DNS servers
Vendor: F.W. Dillema
Description
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.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
totd: 1.5.2 - 1.5.3
External links
http://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
http://www.openwall.com/lists/oss-security/2022/08/14/2
http://www.blackhat.com/presentations/bh-jp-08/bh-jp-08-Kaminsky/BlackHat-Japan-08-Kaminsky-DNS08-BlackOps.pdf
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.