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ubuntucveUbuntu.comUB:CVE-2017-7358
HistoryApr 04, 2017 - 12:00 a.m.

CVE-2017-7358

2017-04-0400:00:00
ubuntu.com
ubuntu.com
17

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

26.8%

In LightDM through 1.22.0, a directory traversal issue in
debian/guest-account.sh allows local attackers to own arbitrary directory
path locations and escalate privileges to root when the guest user logs
out.

Bugs

Notes

Author Note
tyhicks This issue was reported to us by Beyond Security but they did not discover the issue. The discoverer is unknown.
OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchlightdm<Β 1.18.3-0ubuntu1.1UNKNOWN
ubuntu16.10noarchlightdm<Β 1.19.5-0ubuntu1.1UNKNOWN

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

26.8%