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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 4.0 | python-dns | 2.3.0-5.2+etch1 | DSA-1619-1 |
Advisories 1
- DSA-1619-1 python-dns - DNS response spoofing Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://packages.debian.org/changelogs/pool/main/p/python-dns/python-dns_2.3.3-1/changelog
- [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
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490217