Null pointer dereference

2016-02-1519:59:00

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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.8 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.871 High

EPSS

Percentile

98.5%

JSON

The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (invalid pointer dereference and worker process crash) via a crafted UDP DNS response.

CPENameOperatorVersion
xcodelt13.0
ubuntu_linuxeq15.10
ubuntu_linuxeq14.04
debian_linuxeq8.0
debian_linuxeq7.0
debian_linuxeq9.0
nginxge0.6.18
nginxlt1.8.1
nginxge1.9.0
nginxlt1.9.10

Name	Operator	Version
xcode	lt	13.0
ubuntu_linux	eq	15.10
ubuntu_linux	eq	14.04
debian_linux	eq	8.0
debian_linux	eq	7.0
debian_linux	eq	9.0
nginx	ge	0.6.18
nginx	lt	1.8.1
nginx	ge	1.9.0
nginx	lt	1.9.10