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osvGoogleOSV:USN-5169-1
HistoryAug 09, 2022 - 11:29 a.m.

oddjob vulnerability

2022-08-0911:29:53
Google
osv.dev
9
oddjob
race condition
symlink attack
matthias gerstner
mkhomedir
authenticated attacker
permissions
filesystem

CVSS2

3.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

Low

EPSS

0

Percentile

12.6%

Matthias Gerstner discovered that there was a race condition in the mkhomedir
tool shipped with the oddjob package. An authenticated attacker could use this
to setup a symlink attack and change permissions on files on the host filesystem.

CVSS2

3.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

Low

EPSS

0

Percentile

12.6%