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ubuntucveUbuntu.comUB:CVE-2017-12132
HistoryAug 01, 2017 - 12:00 a.m.

CVE-2017-12132

2017-08-0100:00:00
ubuntu.com
ubuntu.com
13

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

0.002 Low

EPSS

Percentile

56.0%

The DNS stub resolver in the GNU C Library (aka glibc or libc6) before
version 2.26, when EDNS support is enabled, will solicit large UDP
responses from name servers, potentially simplifying off-path DNS spoofing
attacks due to IP fragmentation.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarcheglibc< anyUNKNOWN
ubuntu16.04noarchglibc< 2.23-0ubuntu11.3+esm3UNKNOWN

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

0.002 Low

EPSS

Percentile

56.0%