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ubuntucveUbuntu.comUB:CVE-2016-0634
HistorySep 16, 2016 - 12:00 a.m.

CVE-2016-0634

2016-09-1600:00:00
ubuntu.com
ubuntu.com
15

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.016 Low

EPSS

Percentile

87.1%

The expansion of ‘\h’ in the prompt string in bash 4.3 allows remote
authenticated users to execute arbitrary code via shell metacharacters
placed in ‘hostname’ of a machine.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchbash< 4.3-7ubuntu1.7UNKNOWN
ubuntu16.04noarchbash< 4.3-14ubuntu1.2UNKNOWN
ubuntu16.10noarchbash< 4.3-15ubuntu1.1UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.016 Low

EPSS

Percentile

87.1%