CVE-2008-4099 PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a dif...

MediumCVSS 6.4 EPSS 2.3%

Published: 2008-09-18 20:47
Updated: 2026-06-17 01:57
Exploit status: No public exploit known

Description

PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.

Affected products

Product	Affected versions	Fixed in
debian python-dns	<= 2.3.1-3	No fix listed
debian python-dns	= 2.3.0-1	No fix listed
debian python-dns	= 2.3.0-2	No fix listed
debian python-dns	= 2.3.0-3	No fix listed
debian python-dns	= 2.3.0-4	No fix listed
debian python-dns	= 2.3.0-5	No fix listed
debian python-dns	= 2.3.0-5.1	No fix listed
debian python-dns	= 2.3.0-6	No fix listed
debian python-dns	= 2.3.1-1	No fix listed
debian python-dns	= 2.3.1-2	No fix listed
debian python-dns(Debian:10)	< 2.3.1-5	2.3.1-5

References

bugs.debian.org exploit
packages.debian.org
[oss-security] 20080911 Re: CVE Request (ruby -- DNS spoofing vulnerability in resolv.rb) mailing-list
[oss-security] 20080915 Re: CVE Request (ruby -- DNS spoofing vulnerability in resolv.rb) mailing-list

CVSS v2.0

6.4 Medium

AV:N/AC:L/Au:N/C:N/I:P/A:P

Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: Partial

Weakness & likelihood

EPSS (exploitation probability, 30 days): 2.28% (percentile 83.4)
CWE: CWE-16

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.