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ubuntucveUbuntu.comUB:CVE-2017-18205
HistoryFeb 27, 2018 - 12:00 a.m.

CVE-2017-18205

2018-02-2700:00:00
ubuntu.com
ubuntu.com
9

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

72.1%

JSON

In builtin.c in zsh before 5.4, when sh compatibility mode is used, there
is a NULL pointer dereference during processing of the cd command with no
argument if HOME is not set.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchzsh< 5.2-5ubuntu1.1UNKNOWN
ubuntu14.04noarchzsh< 5.0.2-3ubuntu6.1UNKNOWN
ubuntu16.04noarchzsh< 5.1.1-1ubuntu2.1UNKNOWN

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8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

72.1%

JSON
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