#VU111726 Buffer overflow in PowerDNS Recursor - CVE-2009-4009

Vulnerability identifier: #VU111726

Vulnerability risk: High

CVSSv4.0: 8.1 [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/E:U/U:Amber]

CVE-ID: CVE-2009-4009

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PowerDNS Recursor
Server applications / DNS servers

Vendor: PowerDNS.COM B.V.

Description

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PowerDNS Recursor: 3.1, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.7.1

---

External links
https://doc.powerdns.com/powerdns-advisory-2010-01.html
https://secunia.com/advisories/38004
https://secunia.com/advisories/38068
https://securitytracker.com/id?1023403
https://www.securityfocus.com/archive/1/508743/100/0/threaded
https://www.securityfocus.com/bid/37650
https://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

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.