National Cyber-Alert System
Vulnerability Summary for CVE-2008-4392
Original release date:02/19/2009
Last revised:03/13/2009
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
4.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: http://www.your.org/dnscache/
Type: Advisory; Patch Information
External Source: XF
Name: djbdns-soa-spoofing(48807)
External Source: MISC
Name: http://www.your.org/dnscache/djbdns.pdf
Type: Advisory
External Source: BID
Name: 33818
External Source: SECUNIA
Name: 33855
Type: Advisory