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githubGitHub Advisory DatabaseGHSA-77HG-G8CC-5R37
HistoryMay 14, 2022 - 12:56 a.m.

Puppet Privilege Escallation

2022-05-1400:56:44
CWE-269
GitHub Advisory Database
github.com
13
puppet
suidmanager
privilege escalation
local users
vulnerability
group privileges

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

EPSS

0

Percentile

10.1%

The change_user method in the SUIDManager (lib/puppet/util/suidmanager.rb) in Puppet 2.6.x before 2.6.14 and 2.7.x before 2.7.11, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x before 2.0.3 does not properly manage group privileges, which allows local users to gain privileges via vectors related to (1) the change_user not dropping supplementary groups in certain conditions, (2) changes to the eguid without associated changes to the egid, or (3) the addition of the real gid to supplementary groups.

Affected configurations

Vulners
Node
puppetpuppetRange2.72.7.11
OR
puppetpuppetRange2.62.6.14
VendorProductVersionCPE
puppetpuppet*cpe:2.3:a:puppet:puppet:*:*:*:*:*:*:*:*

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

EPSS

0

Percentile

10.1%