Vulnerability · Published Aug 15, 2022 · Assigned by mitre

CVE-2022-33989

Medium 5.3

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS NVD)5.3Medium

Exploit odds (30 days)1.0%top 35.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only at boot time) in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://sourceforge.net/projects/dproxy/ x_refsource_MISC
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner x_refsource_MISC
https://www.openwall.com/lists/oss-security/2022/08/14/3 x_refsource_MISC