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Home / CVE DB / CVE-2016-0747
Standard
Vulnerability Identifier

CVE-2016-0747

2016-02-15
Severity Assessment
5.3
MEDIUM
CVSS v3.x Score
Clinical Analysis (Description)

The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.

Vector Sequencing

Attack Parameters

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Impact Consequences

Technical Impact

Unchanged
Scope
None
Confidentiality
None
Integrity
Low
Availability
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v2 Score (Legacy)
5.0

For backward compatibility

EPSS Probability
20.02%

Percentile: 95.5%

Weakness Classification

CWE-CWE-400

View CWE Details ↗
Affected Population

Affected Configurations

Total: 355 detected entries

Software List Scrollable
f5
nginx
Vendor: f5 • v1.0.12
ap
xcode
Vendor: apple • v6.1.1
f5
nginx
Vendor: f5 • v0.8.55
f5
nginx
Vendor: f5 • v0.8.16
f5
nginx
Vendor: f5 • v0.8.42
f5
nginx
Vendor: f5 • v0.6.28
f5
nginx
Vendor: f5 • v0.7.39
f5
nginx
Vendor: f5 • v0.6.20
ap
xcode
Vendor: apple • v7.1
ca
ubuntu_linux
Vendor: canonical • v14.04
f5
nginx
Vendor: f5 • v0.7.50
f5
nginx
Vendor: f5 • v1.7.12
f5
nginx
Vendor: f5 • v1.1.6
f5
nginx
Vendor: f5 • v0.9.2
f5
nginx
Vendor: f5 • v0.8.4
f5
nginx
Vendor: f5 • v1.7.9
f5
nginx
Vendor: f5 • v1.3.8
f5
nginx
Vendor: f5 • v1.1.4
f5
nginx
Vendor: f5 • v0.8.53
f5
nginx
Vendor: f5 • v0.6.24
ap
xcode
Vendor: apple • v7.3
f5
nginx
Vendor: f5 • v1.3.5
f5
nginx
Vendor: f5 • v0.7.4
ap
xcode
Vendor: apple • v4.0
f5
nginx
Vendor: f5 • v1.5.9
f5
nginx
Vendor: f5 • v1.0.13
f5
nginx
Vendor: f5 • v1.1.7
ap
xcode
Vendor: apple • v4.0.1
f5
nginx
Vendor: f5 • v0.7.35
f5
nginx
Vendor: f5 • v1.2.7
ap
xcode
Vendor: apple • v3.1.1
f5
nginx
Vendor: f5 • v0.7.14
f5
nginx
Vendor: f5 • v0.7.21
f5
nginx
Vendor: f5 • v1.0.15
f5
nginx
Vendor: f5 • v0.6.22
f5
nginx
Vendor: f5 • v0.6.32
f5
nginx
Vendor: f5 • v1.5.11
f5
nginx
Vendor: f5 • v1.3.15
f5
nginx
Vendor: f5 • v1.5.6
f5
nginx
Vendor: f5 • v0.8.9
ap
xcode
Vendor: apple • v1.5.0
f5
nginx
Vendor: f5 • v1.5.10
f5
nginx
Vendor: f5 • v1.9.4
ap
xcode
Vendor: apple • v4.6
ap
xcode
Vendor: apple • v7.2
ap
xcode
Vendor: apple • v4.2
f5
nginx
Vendor: f5 • v1.3.16
ap
xcode
Vendor: apple • v8.0
f5
nginx
Vendor: f5 • v1.3.13
f5
nginx
Vendor: f5 • v0.7.62
f5
nginx
Vendor: f5 • v1.7.4
f5
nginx
Vendor: f5 • v0.7.17
f5
nginx
Vendor: f5 • v0.7.40
f5
nginx
Vendor: f5 • v0.7.13
f5
nginx
Vendor: f5 • v1.6.1
f5
nginx
Vendor: f5 • v0.7.1
f5
nginx
Vendor: f5 • v0.7.41
ap
xcode
Vendor: apple • v4.3.3
ap
xcode
Vendor: apple • v7.1.1
f5
nginx
Vendor: f5 • v1.1.8
f5
nginx
Vendor: f5 • v1.7.10
ap
xcode
Vendor: apple • v5.1
ap
xcode
Vendor: apple • v11.0
ap
xcode
Vendor: apple • v4.6.3
f5
nginx
Vendor: f5 • v0.6.34
ap
xcode
Vendor: apple • v2.3.0
f5
nginx
Vendor: f5 • v0.8.37
f5
nginx
Vendor: f5 • v1.1.15
ap
xcode
Vendor: apple • v6.1
f5
nginx
Vendor: f5 • v0.7.48
f5
nginx
Vendor: f5 • v1.7.11
f5
nginx
Vendor: f5 • v1.1.1
ap
xcode
Vendor: apple • v4.3.2
f5
nginx
Vendor: f5 • v0.7.6
f5
nginx
Vendor: f5 • v0.7.20
f5
nginx
Vendor: f5 • v1.1.0
ap
xcode
Vendor: apple • v11.2
f5
nginx
Vendor: f5 • v1.0.7
ap
xcode
Vendor: apple • v6.3.1
de
debian_linux
Vendor: debian • v8.0
f5
nginx
Vendor: f5 • v1.0.0
ap
xcode
Vendor: apple • v2.0.0
f5
nginx
Vendor: f5 • v1.5.12
f5
nginx
Vendor: f5 • v1.4.6
f5
nginx
Vendor: f5 • v0.7.59
ap
xcode
Vendor: apple • v2.4.0
f5
nginx
Vendor: f5 • v0.8.10
f5
nginx
Vendor: f5 • v0.8.32
f5
nginx
Vendor: f5 • v0.8.25
f5
nginx
Vendor: f5 • v1.1.14
f5
nginx
Vendor: f5 • v1.1.19
f5
nginx
Vendor: f5 • v1.5.8
f5
nginx
Vendor: f5 • v0.7.5
ap
xcode
Vendor: apple • v9.0
ap
xcode
Vendor: apple • v9.3.1
f5
nginx
Vendor: f5 • v1.3.12
ap
xcode
Vendor: apple • v6.3
de
debian_linux
Vendor: debian • v7.0
f5
nginx
Vendor: f5 • v1.0.14
f5
nginx
Vendor: f5 • v0.7.0
f5
nginx
Vendor: f5 • v0.7.58
f5
nginx
Vendor: f5 • v0.8.8
f5
nginx
Vendor: f5 • v1.9.1
ap
xcode
Vendor: apple • v3.2.2
f5
nginx
Vendor: f5 • v0.6.29
ap
xcode
Vendor: apple • v2.1.0
f5
nginx
Vendor: f5 • v0.6.18
f5
nginx
Vendor: f5 • v0.8.3
f5
nginx
Vendor: f5 • v1.5.2
f5
nginx
Vendor: f5 • v0.6.37
ap
xcode
Vendor: apple • v3.2.1
f5
nginx
Vendor: f5 • v1.3.0
f5
nginx
Vendor: f5 • v0.8.18
f5
nginx
Vendor: f5 • v1.9.3
f5
nginx
Vendor: f5 • v1.0.6
f5
nginx
Vendor: f5 • v1.9.7
f5
nginx
Vendor: f5 • v1.9.5
f5
nginx
Vendor: f5 • v0.7.52
ap
xcode
Vendor: apple • v3.2.4
f5
nginx
Vendor: f5 • v0.8.51
f5
nginx
Vendor: f5 • v1.2.0
f5
nginx
Vendor: f5 • v0.6.19
f5
nginx
Vendor: f5 • v0.8.17
f5
nginx
Vendor: f5 • v0.6.31
f5
nginx
Vendor: f5 • v0.6.39
f5
nginx
Vendor: f5 • v0.7.34
f5
nginx
Vendor: f5 • v1.9.2
f5
nginx
Vendor: f5 • v0.7.68
ap
xcode
Vendor: apple • v4.3.1
ap
xcode
Vendor: apple • v7.0
f5
nginx
Vendor: f5 • v0.7.63
f5
nginx
Vendor: f5 • v0.8.20
f5
nginx
Vendor: f5 • v0.8.46
f5
nginx
Vendor: f5 • v0.8.40
op
leap
Vendor: opensuse • v42.1
f5
nginx
Vendor: f5 • v0.8.22
f5
nginx
Vendor: f5 • v1.7.6
f5
nginx
Vendor: f5 • v0.8.31
f5
nginx
Vendor: f5 • v0.8.38
f5
nginx
Vendor: f5 • v1.4.4
ap
xcode
Vendor: apple • v7.3.1
ap
xcode
Vendor: apple • v8.3.1
ap
xcode
Vendor: apple • v3.2.3
f5
nginx
Vendor: f5 • v0.6.36
f5
nginx
Vendor: f5 • v0.8.34
ap
xcode
Vendor: apple • v5.0.1
f5
nginx
Vendor: f5 • v0.7.31
f5
nginx
Vendor: f5 • v1.1.17
f5
nginx
Vendor: f5 • v1.1.16
f5
nginx
Vendor: f5 • v0.8.28
ap
xcode
Vendor: apple • v5.0.2
f5
nginx
Vendor: f5 • v0.9.6
f5
nginx
Vendor: f5 • v1.4.0
f5
nginx
Vendor: f5 • v1.2.5
f5
nginx
Vendor: f5 • v1.5.4
ca
ubuntu_linux
Vendor: canonical • v15.10
ap
xcode
Vendor: apple • v3.1.3
f5
nginx
Vendor: f5 • v1.5.0
ap
xcode
Vendor: apple • v7.0.1
ap
xcode
Vendor: apple • v6.0
f5
nginx
Vendor: f5 • v0.7.56
f5
nginx
Vendor: f5 • v0.7.28
ap
xcode
Vendor: apple • v10
f5
nginx
Vendor: f5 • v0.7.49
ap
xcode
Vendor: apple • v5.1.1
f5
nginx
Vendor: f5 • v0.8.24
f5
nginx
Vendor: f5 • v0.9.7
f5
nginx
Vendor: f5 • v1.1.13
ap
xcode
Vendor: apple • v9.0.1
ap
xcode
Vendor: apple • v4.6.2
f5
nginx
Vendor: f5 • v0.7.24
f5
nginx
Vendor: f5 • v0.7.8
ap
xcode
Vendor: apple • v11.3
f5
nginx
Vendor: f5 • v0.6.26
f5
nginx
Vendor: f5 • v1.8.0
f5
nginx
Vendor: f5 • v1.9.6
f5
nginx
Vendor: f5 • v1.2.6
ap
xcode
Vendor: apple • v4.6.1
f5
nginx
Vendor: f5 • v1.2.2
ap
xcode
Vendor: apple • v8.2
f5
nginx
Vendor: f5 • v0.7.43
f5
nginx
Vendor: f5 • v1.3.11
ap
xcode
Vendor: apple • v6.3.2
f5
nginx
Vendor: f5 • v0.7.46
f5
nginx
Vendor: f5 • v0.7.54
f5
nginx
Vendor: f5 • v0.8.14
f5
nginx
Vendor: f5 • v0.7.23
f5
nginx
Vendor: f5 • v1.1.3
f5
nginx
Vendor: f5 • v1.0.9
f5
nginx
Vendor: f5 • v1.4.3
f5
nginx
Vendor: f5 • v0.7.60
f5
nginx
Vendor: f5 • v1.1.11
ap
xcode
Vendor: apple • v12.5
f5
nginx
Vendor: f5 • v0.7.61
ap
xcode
Vendor: apple • v3.1.2
f5
nginx
Vendor: f5 • v0.7.37
f5
nginx
Vendor: f5 • v1.0.8
f5
nginx
Vendor: f5 • v0.8.19
f5
nginx
Vendor: f5 • v1.3.1
f5
nginx
Vendor: f5 • v1.7.5
ap
xcode
Vendor: apple • v12.0
f5
nginx
Vendor: f5 • v1.4.1
ap
xcode
Vendor: apple • v9.3
f5
nginx
Vendor: f5 • v0.7.27
ap
xcode
Vendor: apple • v4.2.1
f5
nginx
Vendor: f5 • v1.7.7
f5
nginx
Vendor: f5 • v0.9.1
f5
nginx
Vendor: f5 • v1.3.10
f5
nginx
Vendor: f5 • v0.7.9
f5
nginx
Vendor: f5 • v1.4.5
ap
xcode
Vendor: apple • v4.4.1
f5
nginx
Vendor: f5 • v1.9.0
f5
nginx
Vendor: f5 • v0.7.53
f5
nginx
Vendor: f5 • v0.8.23
ap
xcode
Vendor: apple • v4.3
ap
xcode
Vendor: apple • v12.5.1
ap
xcode
Vendor: apple • v4.5.2
f5
nginx
Vendor: f5 • v1.4.2
f5
nginx
Vendor: f5 • v0.7.51
ap
xcode
Vendor: apple • v4.5
ap
xcode
Vendor: apple • v3.1
f5
nginx
Vendor: f5 • v1.5.13
f5
nginx
Vendor: f5 • v0.7.69
f5
nginx
Vendor: f5 • v0.6.21
f5
nginx
Vendor: f5 • v1.3.4
f5
nginx
Vendor: f5 • v0.8.43
f5
nginx
Vendor: f5 • v0.8.11
f5
nginx
Vendor: f5 • v0.7.65
f5
nginx
Vendor: f5 • v0.7.12
f5
nginx
Vendor: f5 • v0.9.5
ap
xcode
Vendor: apple • v4.1.1
ap
xcode
Vendor: apple • v6.2
f5
nginx
Vendor: f5 • v0.6.33
f5
nginx
Vendor: f5 • v0.8.54
f5
nginx
Vendor: f5 • v1.3.2
ap
xcode
Vendor: apple • v2.2.0
f5
nginx
Vendor: f5 • v1.7.8
ap
xcode
Vendor: apple • v4.5.1
f5
nginx
Vendor: f5 • v0.7.19
f5
nginx
Vendor: f5 • v1.6.2
f5
nginx
Vendor: f5 • v0.8.27
f5
nginx
Vendor: f5 • v0.7.18
ap
xcode
Vendor: apple • v9.4
f5
nginx
Vendor: f5 • v1.1.12
f5
nginx
Vendor: f5 • v0.6.38
f5
nginx
Vendor: f5 • v0.7.33
ap
xcode
Vendor: apple • v4.4
ap
xcode
Vendor: apple • v9.4.1
f5
nginx
Vendor: f5 • v0.7.36
f5
nginx
Vendor: f5 • v0.8.39
f5
nginx
Vendor: f5 • v0.7.26
f5
nginx
Vendor: f5 • v1.2.4
f5
nginx
Vendor: f5 • v0.8.47
ap
xcode
Vendor: apple • v8.3.3
f5
nginx
Vendor: f5 • v0.6.30
f5
nginx
Vendor: f5 • v1.6.0
f5
nginx
Vendor: f5 • v1.3.9
ap
xcode
Vendor: apple • v2.4.1
f5
nginx
Vendor: f5 • v0.7.7
f5
nginx
Vendor: f5 • v0.9.3
f5
nginx
Vendor: f5 • v0.7.66
f5
nginx
Vendor: f5 • v1.3.6
f5
nginx
Vendor: f5 • v0.8.36
de
debian_linux
Vendor: debian • v9.0
f5
nginx
Vendor: f5 • v0.7.30
f5
nginx
Vendor: f5 • v0.8.12
ap
xcode
Vendor: apple • v7.2.1
f5
nginx
Vendor: f5 • v1.2.1
f5
nginx
Vendor: f5 • v0.7.45
f5
nginx
Vendor: f5 • v0.8.45
f5
nginx
Vendor: f5 • v0.7.47
ap
xcode
Vendor: apple • v8.3
ap
xcode
Vendor: apple • v9.2
f5
nginx
Vendor: f5 • v0.7.2
f5
nginx
Vendor: f5 • v1.9.9
f5
nginx
Vendor: f5 • v1.1.18
f5
nginx
Vendor: f5 • v0.7.25
f5
nginx
Vendor: f5 • v1.3.14
f5
nginx
Vendor: f5 • v1.4.7
f5
nginx
Vendor: f5 • v0.7.67
f5
nginx
Vendor: f5 • v1.6.3
f5
nginx
Vendor: f5 • v0.7.22
f5
nginx
Vendor: f5 • v0.8.48
f5
nginx
Vendor: f5 • v0.8.52
f5
nginx
Vendor: f5 • v1.0.5
ap
xcode
Vendor: apple • v3.2.5
f5
nginx
Vendor: f5 • v0.7.55
f5
nginx
Vendor: f5 • v1.2.3
f5
nginx
Vendor: f5 • v0.7.29
f5
nginx
Vendor: f5 • v1.5.7
f5
nginx
Vendor: f5 • v0.8.33
f5
nginx
Vendor: f5 • v0.8.26
f5
nginx
Vendor: f5 • v0.9.0
f5
nginx
Vendor: f5 • v1.1.2
f5
nginx
Vendor: f5 • v1.0.11
f5
nginx
Vendor: f5 • v0.8.15
f5
nginx
Vendor: f5 • v1.0.2
f5
nginx
Vendor: f5 • v0.6.23
f5
nginx
Vendor: f5 • v0.8.6
ap
xcode
Vendor: apple • v4.1
f5
nginx
Vendor: f5 • v0.8.35
f5
nginx
Vendor: f5 • v0.8.7
f5
nginx
Vendor: f5 • v0.8.50
f5
nginx
Vendor: f5 • v0.7.10
ap
xcode
Vendor: apple • v5.0
ap
xcode
Vendor: apple • v9.1
f5
nginx
Vendor: f5 • v1.2.8
f5
nginx
Vendor: f5 • v0.7.32
f5
nginx
Vendor: f5 • v1.0.1
f5
nginx
Vendor: f5 • v0.8.0
f5
nginx
Vendor: f5 • v0.8.41
ap
xcode
Vendor: apple • v6.4
f5
nginx
Vendor: f5 • v0.7.44
f5
nginx
Vendor: f5 • v1.3.7
f5
nginx
Vendor: f5 • v0.7.11
f5
nginx
Vendor: f5 • v0.8.13
f5
nginx
Vendor: f5 • v1.5.1
f5
nginx
Vendor: f5 • v1.0.4
f5
nginx
Vendor: f5 • v1.0.3
ap
xcode
Vendor: apple • v8.1
f5
nginx
Vendor: f5 • v0.7.15
f5
nginx
Vendor: f5 • v1.1.10
f5
nginx
Vendor: f5 • v0.7.38
f5
nginx
Vendor: f5 • v0.7.16
ap
xcode
Vendor: apple • v8.2.1
f5
nginx
Vendor: f5 • v0.8.5
f5
nginx
Vendor: f5 • v0.8.21
f5
nginx
Vendor: f5 • v1.5.5
f5
nginx
Vendor: f5 • v0.8.29
ap
xcode
Vendor: apple • v8.3.2
ap
xcode
Vendor: apple • v6.0.1
f5
nginx
Vendor: f5 • v0.8.44
f5
nginx
Vendor: f5 • v1.7.0
f5
nginx
Vendor: f5 • v0.8.30
f5
nginx
Vendor: f5 • v0.7.3
f5
nginx
Vendor: f5 • v1.9.8
f5
nginx
Vendor: f5 • v0.7.57
f5
nginx
Vendor: f5 • v0.6.25
f5
nginx
Vendor: f5 • v0.6.35
f5
nginx
Vendor: f5 • v0.7.64
ap
xcode
Vendor: apple • v4.0.2
f5
nginx
Vendor: f5 • v0.8.1
ap
xcode
Vendor: apple • v3.1.4
f5
nginx
Vendor: f5 • v1.1.9
f5
nginx
Vendor: f5 • v1.1.5
f5
nginx
Vendor: f5 • v0.6.27
f5
nginx
Vendor: f5 • v0.7.42
f5
nginx
Vendor: f5 • v0.8.49
f5
nginx
Vendor: f5 • v1.0.10
ap
xcode
Vendor: apple • v12.4
f5
nginx
Vendor: f5 • v1.5.3
f5
nginx
Vendor: f5 • v1.3.3
f5
nginx
Vendor: f5 • v0.9.4
f5
nginx
Vendor: f5 • v1.2.9
f5
nginx
Vendor: f5 • v0.8.2
Timeline

Time Line

PUBLICATION
15 Feb 2016
MODIFICATION
12 Apr 2025
Impact Statistics

Key Metrics

CVSS Score
5.3
MEDIUM
Products
355
Affected
Remediation Protocol

Recommended Solution

No automatic solution found. Check vendor references.
Patch Library
No direct patch listed in database.
Recommended Actions for Administrators

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.

Sources & Bibliography
NIST NVD MITRE CVE External Reference ↗ External Reference ↗ External Reference ↗ External Reference ↗ External Reference ↗