CVE-2009-3602

Severity

75%

Complexity

99%

Confidentiality

106%

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.

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.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 15 years ago

2009-10-13 10:30:00

Last updated 7 years ago

2017-08-17 01:31:00

Affected Software

NLnet Labs Unbound 0.0

0.0

NLnet Labs Unbound 0.1

0.1

NLnet Labs Unbound 0.2

0.2

NLnet Labs Unbound 0.3

0.3

NLnet Labs Unbound 0.4

0.4

NLnet Labs Unbound 0.5

0.5

NLnet Labs Unbound 0.6

0.6

NLnet Labs Unbound 0.7

0.7

NLnet Labs Unbound 0.7.1

0.7.1

NLnet Labs Unbound 0.7.2

0.7.2

NLnet Labs Unbound 0.8

0.8

NLnet Labs Unbound 0.10

0.10

NLnet Labs Unbound 0.11

0.11

NLnet Labs Unbound 1.0.0

1.0.0

NLnet Labs Unbound 1.0.1

1.0.1

NLnet Labs Unbound 1.0.2

1.0.2

NLnet Labs Unbound 1.1.0

1.1.0

NLnet Labs Unbound 1.1.1

1.1.1

NLnet Labs Unbound 1.2.0

1.2.0

NLnet Labs Unbound 1.3.2

1.3.2

NLnet Labs Unbound

References

58836

36996

Vendor Advisory

37913

[Unbound-users] 20091007 Release of unbound 1.3.4

Vendor Advisory

DSA-1963

[oss-security] 20091009 CVE request: Unbound

[oss-security] 20091009 Re: CVE request: Unbound

ADV-2009-2875

Vendor Advisory

unbound-nsec3-security-bypass(53729)

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