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ubuntucveUbuntu.comUB:CVE-2018-1100
HistoryApr 11, 2018 - 12:00 a.m.

CVE-2018-1100

2018-04-1100:00:00
ubuntu.com
ubuntu.com
13

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.0004 Low

EPSS

Percentile

5.3%

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in
the utils.c:checkmailpath function. A local attacker could exploit this to
execute arbitrary code in the context of another user.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchzsh< 5.4.2-3ubuntu3.1UNKNOWN
ubuntu14.04noarchzsh< 5.0.2-3ubuntu6.3UNKNOWN
ubuntu16.04noarchzsh< 5.1.1-1ubuntu2.3UNKNOWN

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.0004 Low

EPSS

Percentile

5.3%