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ubuntuUbuntuUSN-4614-1
HistoryNov 03, 2020 - 12:00 a.m.

GDM vulnerability

2020-11-0300:00:00
ubuntu.com
60

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

34.9%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • gdm3 - GNOME Display Manager

Details

Kevin Backhouse discovered that GDM incorrectly launched the initial setup
tool when the accountsservice daemon was not reachable. A local attacker
able to cause accountsservice to crash or stop responding could trick GDM
into launching the initial setup tool and create a privileged user.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchgdm3< 3.38.1-2ubuntu1.1UNKNOWN
Ubuntu20.10noarchgdm3-dbgsym< 3.38.1-2ubuntu1.1UNKNOWN
Ubuntu20.10noarchgir1.2-gdm-1.0< 3.38.1-2ubuntu1.1UNKNOWN
Ubuntu20.10noarchlibgdm-dev< 3.38.1-2ubuntu1.1UNKNOWN
Ubuntu20.10noarchlibgdm1< 3.38.1-2ubuntu1.1UNKNOWN
Ubuntu20.10noarchlibgdm1-dbgsym< 3.38.1-2ubuntu1.1UNKNOWN
Ubuntu20.04noarchgdm3< 3.36.3-0ubuntu0.20.04.2UNKNOWN
Ubuntu20.04noarchgdm3-dbgsym< 3.36.3-0ubuntu0.20.04.2UNKNOWN
Ubuntu20.04noarchgir1.2-gdm-1.0< 3.36.3-0ubuntu0.20.04.2UNKNOWN
Ubuntu20.04noarchlibgdm-dev< 3.36.3-0ubuntu0.20.04.2UNKNOWN
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1-10 of 181

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(RHSA-2021:1586) Moderate: GNOME security, bug fix, and enhancement update
2021-05-18 05:35:26

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

34.9%

JSON
Related for USN-4614-1
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