Vulnerability in Dproxy-Nexgen Project
CVE-2022-33988
dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker.
Vulnerability class: HTTP Request Smuggling
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.011 (65.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000
Affected products
Weakness classification (CWE)
References
- sourceforge.net/projects/dproxy/ (Product, Third Party Advisory)
- www.usenix.org/conference/usenixsecurity22/presentation/jeitner (Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/08/14/3 (Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-33988?
- CVE-2022-33988 is a high-severity vulnerability in Dproxy-Nexgen Project, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.5/10. Published 2022-08-15.
- How severe is CVE-2022-33988?
- High severity. CVSS v3 base score is 7.5 out of 10.