Vulnerability in D.j.bernstein Djbdns
CVE-2008-4392
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.4 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- D.j.bernstein Djbdns — versions 1.05
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.your.org/dnscache/djbdns.pdf (Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/48807 (vdb-entry)
- secunia.com/advisories/33855 (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/bid/33818 (vdb-entry)
- www.your.org/dnscache/ (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2008-4392?
- CVE-2008-4392 is a vulnerability in D.j.bernstein Djbdns, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2009-02-19.
- Is CVE-2008-4392 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.