Buffer overflow in PowerDNS Recursor - CVE-2009-4009
Published: October 10, 2018 / Updated: June 21, 2025
Vulnerability identifier: #VU111726
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2009-4009
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Buffer overflow in PowerDNS Recursor before 3.1.7.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via crafted packets.
Affected software
PowerDNS Recursor
Gentoo Linux
Fedora
pdns-recursor
net-dns/pdns-recursor
Gentoo Linux
Fedora
pdns-recursor
net-dns/pdns-recursor
How to mitigate CVE-2009-4009
Install update from vendor's website.
PowerDNS Recursor - update to 3.1.7.2
pdns-recursor - update to 3.1.7.2-1.el5
net-dns/pdns-recursor - update to 3.6.1-r1
pdns-recursor - update to 3.1.7.2-1.el5
net-dns/pdns-recursor - update to 3.6.1-r1
External References
- http://doc.powerdns.com/powerdns-advisory-2010-01.html
- http://secunia.com/advisories/38004
- http://secunia.com/advisories/38068
- http://securitytracker.com/id?1023403
- http://www.securityfocus.com/archive/1/508743/100/0/threaded
- http://www.securityfocus.com/bid/37650
- http://www.vupen.com/english/advisories/2010/0054
- https://bugzilla.redhat.com/show_bug.cgi?id=552285
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55438
- https://www.redhat.com/archives/fedora-package-announce/2010-January/msg00217.html
- https://www.redhat.com/archives/fedora-package-announce/2010-January/msg00228.html