CVE-2008-3905

ruby: use of predictable source port and transaction id in DNS requests done by resolv.rb module

Published Sep 4, 2008 CVSS 2.0 · 5.8 Medium EPSS 2.4% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-1651-1 New ruby1.8 packages fix several vulnerabilities
Debian DSA Debian DSA DSA-1652-1 New ruby1.9 packages fix several vulnerabilities
EUVD EUVD EUVD-2008-3891 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.
Ubuntu USN Ubuntu USN USN-651-1 Ruby vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 7, 2024, 9:53 AM
Reserved
Sep 4, 2008, 12:00 AM
Status
Modified
Published
Sep 4, 2008, 5:41 PM
Modified
Jun 16, 2026, 10:56 PM
Severity
Moderate
Public date
Aug 8, 2008, 12:00 AM