CVE-2022-33990

Public Exploit

Description

Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen) leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.

7.5

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.09%

Third-Party Advisory sourceforge.net Third-Party Advisory openwall.com Third-Party Advisory usenix.org Third-Party Advisory usenix.org

Affected: n/a n/a

References

Link	Tags
https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner	third party advisory
https://sourceforge.net/projects/dproxy/	third party advisory
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner	third party advisory
https://www.openwall.com/lists/oss-security/2022/08/14/3	mailing list exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-33990?: CVE-2022-33990 has been scored as a high severity vulnerability.
How to fix CVE-2022-33990?: To fix CVE-2022-33990, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-33990 being actively exploited in the wild?: It is possible that CVE-2022-33990 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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