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Vulnerability record · CVE-2005-2301 · published 19 July 2005

CVE-2005-2301: Powerdns vulnerability

Powerdns · Powerdns

PowerDNS before 2.9.18, when running with an LDAP backend, does not properly escape LDAP queries, which allows remote attackers to cause a denial of service (failure to answer ldap questions) and possibly conduct an LDAP injection attack.

5.0 CVSS 2.0 Medium EPSS 3.3% · top 12.1%
5.0CVSS 2.0 base score
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

PowerDNS before 2.9.18, when running with an LDAP backend, does not properly escape LDAP queries, which allows remote attackers to cause a denial of service (failure to answer ldap questions) and possibly conduct an LDAP injection attack.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://doc.powerdns.com/changelog.html#CHANGELOG-2-9-18
http://marc.info/?l=bugtraq&m=112155941310297&w=2
http://securitytracker.com/id?1014504
http://www.novell.com/linux/security/advisories/2005_19_sr.html
http://www.securityfocus.com/bid/14290
http://doc.powerdns.com/changelog.html#CHANGELOG-2-9-18
http://marc.info/?l=bugtraq&m=112155941310297&w=2
http://securitytracker.com/id?1014504
http://www.novell.com/linux/security/advisories/2005_19_sr.html
http://www.securityfocus.com/bid/14290

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.4CVE-2008-3337Powerdns authoritative server improper input validation vulnerabilityPowerDNS Authoritative Server before 2.9.21.1 drops malformed queries, which might make it easier for remote attackers to poison DNS caches of other …EPSS 6.1%5.0CVE-2006-2069Powerdns vulnerabilityThe recursor in PowerDNS before 3.0.1 allows remote attackers to cause a denial of service (application crash) via malformed EDNS0 packets.EPSS 6.0%5.0CVE-2005-0038Powerdns vulnerabilityThe DNS implementation of PowerDNS 2.9.16 and earlier allows remote attackers to cause a denial of service via a compressed DNS packet with a label l…EPSS 6.1%5.0CVE-2005-0428Powerdns vulnerabilityThe DNSPacket::expand method in dnspacket.cc in PowerDNS before 2.9.17 allows remote attackers to cause a denial of service by sending a random strea…EPSS 3.3%4.3CVE-2008-5277Powerdns vulnerabilityPowerDNS before 2.9.21.2 allows remote attackers to cause a denial of service (daemon crash) via a CH HINFO query.EPSS 3.4%2.1CVE-2005-2302Powerdns vulnerabilityPowerDNS before 2.9.18, when allowing recursion to a restricted range of IP addresses, does not properly handle questions from clients that are denie…EPSS 0.39%

Source: NIST National Vulnerability Database (record CVE-2005-2301), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.