CVE-2008-4392
CVE-2008-4392 is a medium-severity vulnerability in D.j.bernstein Djbdns with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.4)
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-362
- Affected product: D.j.bernstein Djbdns
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2008-4392?
- CVE-2008-4392 has a CVSS 2.0 base score of 6.4, rated medium severity.
- Is CVE-2008-4392 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2008-4392?
- CVE-2008-4392 affects D.j.bernstein Djbdns. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2008-4392?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2008-4392 published?
- CVE-2008-4392 was published on 2009-02-19 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/33855
- http://www.securityfocus.com/bid/33818
- http://www.your.org/dnscache/
- http://www.your.org/dnscache/djbdns.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48807
Affected products (1)
- cpe:2.3:a:d.j.bernstein:djbdns:1.05:*:*:*:*:*:*:*
More vulnerabilities in D.j.bernstein Djbdns
- CVE-2012-1191 — Medium (CVSS 6.4): The resolver in dnscache in Daniel J. Bernstein djbdns 1.05 overwrites cached server names and TTL values in NS records…
- CVE-2009-0858 — Medium (CVSS 5.8): The response_addname function in response.c in Daniel J. Bernstein djbdns 1.05 and earlier does not constrain offsets…
All CVEs affecting D.j.bernstein Djbdns →
Other CWE-362 (Race Condition) vulnerabilities
- CVE-2022-27626 — Critical (CVSS 10.0): A vulnerability regarding concurrent execution using shared resource with improper synchronization ('Race Condition')…
- CVE-2015-8556 — Critical (CVSS 10.0): Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
- CVE-2014-0703 — Critical (CVSS 10.0): Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS software with a race condition…
- CVE-2010-1228 — Critical (CVSS 10.0): Multiple race conditions in the sandbox infrastructure in Google Chrome before 4.1.249.1036 have unspecified impact and…
- CVE-2008-6598 — Critical (CVSS 10.0): Multiple race conditions in WANPIPE before 3.3.6 have unknown impact and attack vectors related to "bri restart logic."
- CVE-2026-46137 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential…