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CVE-2009-3602 Details

Description

Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://osvdb.org/58836	CVE
http://secunia.com/advisories/36996	CVE	Vendor Advisory
http://secunia.com/advisories/37913	CVE
https://exchange.xforce.ibmcloud.com/vulnerabilities/53729	CVE
http://unbound.net/pipermail/unbound-users/2009-October/000852.html	CVE	Vendor Advisory
http://www.debian.org/security/2009/dsa-1963	CVE
http://www.openwall.com/lists/oss-security/2009/10/09/2	CVE
http://www.openwall.com/lists/oss-security/2009/10/09/3	CVE
http://www.vupen.com/english/advisories/2009/2875	CVE	Vendor Advisory
http://osvdb.org/58836	[email protected]
http://secunia.com/advisories/36996	[email protected]	Vendor Advisory
http://secunia.com/advisories/37913	[email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/53729	[email protected]
http://unbound.net/pipermail/unbound-users/2009-October/000852.html	[email protected]	Vendor Advisory
http://www.debian.org/security/2009/dsa-1963	[email protected]
http://www.openwall.com/lists/oss-security/2009/10/09/2	[email protected]
http://www.openwall.com/lists/oss-security/2009/10/09/3	[email protected]
http://www.vupen.com/english/advisories/2009/2875	[email protected]	Vendor Advisory

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-310	Cryptographic Issues	[email protected]

Affected Products

Product	Versions
nlnetlabs unbound	<= 1.3.3 0.0 0.1 0.2 0.3
CPE cpe:2.3:a:nlnetlabs:unbound:::::::: cpe:2.3:a:nlnetlabs:unbound:0.0:::::::* cpe:2.3:a:nlnetlabs:unbound:0.1:::::::* cpe:2.3:a:nlnetlabs:unbound:0.2:::::::* cpe:2.3:a:nlnetlabs:unbound:0.3:::::::* cpe:2.3:a:nlnetlabs:unbound:0.4:::::::* cpe:2.3:a:nlnetlabs:unbound:0.5:::::::* cpe:2.3:a:nlnetlabs:unbound:0.6:::::::* cpe:2.3:a:nlnetlabs:unbound:0.7:::::::* cpe:2.3:a:nlnetlabs:unbound:0.7.1:::::::* cpe:2.3:a:nlnetlabs:unbound:0.7.2:::::::* cpe:2.3:a:nlnetlabs:unbound:0.8:::::::* cpe:2.3:a:nlnetlabs:unbound:0.09:::::::* cpe:2.3:a:nlnetlabs:unbound:0.10:::::::* cpe:2.3:a:nlnetlabs:unbound:0.11:::::::* cpe:2.3:a:nlnetlabs:unbound:1.0.0:::::::* cpe:2.3:a:nlnetlabs:unbound:1.0.1:::::::* cpe:2.3:a:nlnetlabs:unbound:1.0.2:::::::* cpe:2.3:a:nlnetlabs:unbound:1.1.0:::::::* cpe:2.3:a:nlnetlabs:unbound:1.1.1:::::::* cpe:2.3:a:nlnetlabs:unbound:1.2.0:::::::* cpe:2.3:a:nlnetlabs:unbound:1.2.1:::::::* cpe:2.3:a:nlnetlabs:unbound:1.3.0:::::::* cpe:2.3:a:nlnetlabs:unbound:1.3.1:::::::* cpe:2.3:a:nlnetlabs:unbound:1.3.2:::::::* Remediation No remediation found in references.

Product

Versions

nlnetlabs unbound

<= 1.3.3

0.0

0.1

0.2

0.3

CPE

cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.2:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.3:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.4:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.5:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.6:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.7:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.8:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.09:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.10:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:0.11:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:nlnetlabs:unbound:1.3.2:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 23, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 17, 2017	CVE Modified	[email protected]
Oct 13, 2009	Initial Analysis	[email protected]