CVE-2008-4392

Name: CVE-2008-4392
Creator: NVD / NIST
Published: 2009-02-19T16:30:00.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.69%

Last modified Jun 16, 2026

CVE-2008-4392 is a vulnerability of currently unknown severity. dnscache in Daniel J. Bernstein djbdns 1.05 does not prevent simultaneous identical outbound DNS queries, which makes it easier for remote attackers to spoof DNS responses, as demonstrated by a spoofed A record in the Additional section of a response to a Start of Authority (SOA) query.. EPSS estimates a 1.69% chance of exploitation in the next 30 days.

Description

dnscache in Daniel J. Bernstein djbdns 1.05 does not prevent simultaneous identical outbound DNS queries, which makes it easier for remote attackers to spoof DNS responses, as demonstrated by a spoofed A record in the Additional section of a response to a Start of Authority (SOA) query.

Metrics

EPSS Probability

1.69%

74.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
D.J.Bernstein	Djbdns	1.05

References

http://secunia.com/advisories/33855Vendor Advisory
http://www.securityfocus.com/bid/33818
http://www.your.org/dnscache/Patch, Vendor Advisory
http://www.your.org/dnscache/djbdns.pdfVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/48807
http://secunia.com/advisories/33855Vendor Advisory
http://www.securityfocus.com/bid/33818
http://www.your.org/dnscache/Patch, Vendor Advisory
http://www.your.org/dnscache/djbdns.pdfVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/48807

Timeline

Published: Feb 19, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2008-4392?

How severe is CVE-2008-4392?

Severity scoring for CVE-2008-4392 is pending analysis. The EPSS model estimates a 1.69% probability of exploitation in the next 30 days.

How do I fix CVE-2008-4392?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2008-4392?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST