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ubuntuUbuntuUSN-6711-1
HistoryMar 25, 2024 - 12:00 a.m.

CRM shell vulnerability

2024-03-2500:00:00
ubuntu.com
5
crm shell
vulnerability
ubuntu 20.04
pacemaker cluster manager
shell code injection
arbitrary code execution
vincent berg

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

8.1 High

AI Score

Confidence

Low

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

0.0005 Low

EPSS

Percentile

17.8%

Releases

  • Ubuntu 20.04 LTS

Packages

  • crmsh - CRM shell for the pacemaker cluster manager

Details

Vincent Berg discovered that CRM shell incorrectly handled certain commands.
An local attacker could possibly use this issue to execute arbitrary code
via shell code injection to the crm history commandline.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchcrmsh< 4.2.0-2ubuntu1.1UNKNOWN
Ubuntu20.04noarchcrmsh-doc< 4.2.0-2ubuntu1.1UNKNOWN

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

8.1 High

AI Score

Confidence

Low

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

0.0005 Low

EPSS

Percentile

17.8%