VULNERABILITY INTELLIGENCE
CVE-2008-3905
CVSS score5.8 MEDIUM
EPSS probability2.42%
CISA KEVNot currently listed
Published2008-09-04
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:P
Description
resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.
Weakness classification
- CWE-287: Improper Authentication