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cve[email protected]CVE-2011-4528
HistoryDec 20, 2011 - 11:55 a.m.

CVE-2011-4528

2011-12-2011:55:05
CWE-399
web.nvd.nist.gov
32
unbound
cve-2011-4528
denial of service
dns
nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.2 Medium

AI Score

Confidence

Low

0.008 Low

EPSS

Percentile

82.1%

Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.

Affected configurations

NVD
Node
unboundunboundRange1.4.13
OR
unboundunboundMatch0.0
OR
unboundunboundMatch0.1
OR
unboundunboundMatch0.2
OR
unboundunboundMatch0.3
OR
unboundunboundMatch0.4
OR
unboundunboundMatch0.5
OR
unboundunboundMatch0.6
OR
unboundunboundMatch0.7
OR
unboundunboundMatch0.7.1
OR
unboundunboundMatch0.7.2
OR
unboundunboundMatch0.8
OR
unboundunboundMatch0.09
OR
unboundunboundMatch0.10
OR
unboundunboundMatch0.11
OR
unboundunboundMatch1.0.0
OR
unboundunboundMatch1.0.1
OR
unboundunboundMatch1.0.2
OR
unboundunboundMatch1.1.0
OR
unboundunboundMatch1.1.1
OR
unboundunboundMatch1.2.0
OR
unboundunboundMatch1.2.1
OR
unboundunboundMatch1.3.0
OR
unboundunboundMatch1.3.1
OR
unboundunboundMatch1.3.2
OR
unboundunboundMatch1.3.3
OR
unboundunboundMatch1.3.4
OR
unboundunboundMatch1.4.0
OR
unboundunboundMatch1.4.1
OR
unboundunboundMatch1.4.2
OR
unboundunboundMatch1.4.3
OR
unboundunboundMatch1.4.4
OR
unboundunboundMatch1.4.5
OR
unboundunboundMatch1.4.6
OR
unboundunboundMatch1.4.7
OR
unboundunboundMatch1.4.8
OR
unboundunboundMatch1.4.9
OR
unboundunboundMatch1.4.10
OR
unboundunboundMatch1.4.11
OR
unboundunboundMatch1.4.12
OR
unboundunboundMatch1.4.14rc1

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.2 Medium

AI Score

Confidence

Low

0.008 Low

EPSS

Percentile

82.1%