National Vulnerability Database (NVD) National Vulnerability Database (CVE-2008-4126)

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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: MLIST

Name: [oss-security] 20080915 Re: CVE Request (ruby -- DNS spoofing vulnerability in resolv.rb)

Hyperlink:http://www.openwall.com/lists/oss-security/2008/09/16/4

External Source: MLIST

Name: [oss-security] 20080911 Re: CVE Request (ruby -- DNS spoofing vulnerability in resolv.rb)

Hyperlink:http://www.openwall.com/lists/oss-security/2008/09/11/1

External Source: CONFIRM

Name: http://packages.debian.org/changelogs/pool/main/p/python-dns/python-dns_2.3.3-1/changelog

Hyperlink:http://packages.debian.org/changelogs/pool/main/p/python-dns/python-dns_2.3.3-1/changelog

External Source: CONFIRM

Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490217

Hyperlink:http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490217