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Last updated: 8/27/2014 9:07:08 PM

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Vulnerability Summary for CVE-2008-4126

Original release date: 09/18/2008
Last revised: 09/19/2008
Source: US-CERT/NIST

Overview

PyDNS (aka python-dns) before 2.3.1-5 in Debian GNU/Linux does not use random source ports for DNS requests and does not use random transaction IDs for DNS retries, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447. NOTE: this vulnerability exists because of an incomplete fix for CVE-2008-4099.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.4 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:P/A:P) (legend)
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

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External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490217
External Source: MLIST
Name: [oss-security] 20080915 Re: CVE Request (ruby -- DNS spoofing vulnerability in resolv.rb)
External Source: CONFIRM
Name: http://packages.debian.org/changelogs/pool/main/p/python-dns/python-dns_2.3.3-1/changelog
External Source: MLIST
Name: [oss-security] 20080911 Re: CVE Request (ruby -- DNS spoofing vulnerability in resolv.rb)

Technical Details

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