6.4med

CVE-2008-4126

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 transac…

Published 18 y ago · modified 4 mo ago · JSON

CVSS
6.4
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.2%
percentile 83%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.19% probability of exploitation in the next 30 days, higher than 83% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.06.4AV:N/AC:L/Au:N/C:N/I:P/A:P

Classification

Weakness

References

  • packages.debian.org /changelogs/pool/main/p/python-dns/python-dns_2.3.3-1/changelog · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2008/09/11/1 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2008/09/16/4 · mailing-list, x_refsource_MLIST, x_transferred
  • bugs.debian.org /cgi-bin/bugreport.cgi?bug=490217 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.