Multiple vulnerabilities in PowerDNS Recursor



| Updated: 2025-06-21
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2009-4009
CVE-2009-4010
CWE-ID CWE-119
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 PowerDNS Recursor
Server applications / DNS servers

Vendor PowerDNS.COM B.V.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU111726

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 - Memory corruption

Exploit availability: No

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 - 3.1.7.1

CPE2.3 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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU111727

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2009-4010

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Unspecified vulnerability in PowerDNS Recursor before 3.1.7.2 allows remote attackers to spoof DNS data via crafted zones.

Mitigation

Install update from vendor's website.

Vulnerable software versions

PowerDNS Recursor: 3.1 - 3.1.7.1

CPE2.3 External links

https://doc.powerdns.com/powerdns-advisory-2010-02.html
https://secunia.com/advisories/38004
https://secunia.com/advisories/38068
https://securitytracker.com/id?1023404
https://www.securityfocus.com/archive/1/508743/100/0/threaded
https://www.securityfocus.com/bid/37653
https://www.vupen.com/english/advisories/2010/0054
https://bugzilla.redhat.com/show_bug.cgi?id=552285
https://exchange.xforce.ibmcloud.com/vulnerabilities/55439
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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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