CVE-2022-21944

watchman: chown in watchman@.socket unit allows symlink attack

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A UNIX Symbolic Link (Symlink) Following vulnerability in the systemd service file for watchman of openSUSE Backports SLE-15-SP3, Factory allows local attackers to escalate to root. This issue affects: openSUSE Backports SLE-15-SP3 watchman versions prior to 4.9.0. openSUSE Factory watchman versions prior to 4.9.0-9.1.

Un enlace simbólico de UNIX (Symlink) Tras la vulnerabilidad en el archivo de servicio systemd para watchman de openSUSE Backports versión SLE-15-SP3, Factory permite a atacantes locales escalar a root. Este problema afecta a: openSUSE Backports SLE-15-SP3 watchman versiones anteriores a 4.9.0. openSUSE Factory watchman versiones anteriores a 4.9.0-9.1

*Credits: Matthias Gerstner of SUSE

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-16 CVE Reserved
2022-01-26 CVE Published
2023-03-08 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://bugzilla.suse.com/show_bug.cgi?id=1194470	2023-04-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opensuse Search vendor "Opensuse"	Factory Watchman Search vendor "Opensuse" for product "Factory Watchman"	<= 4.9.1 Search vendor "Opensuse" for product "Factory Watchman" and version " <= 4.9.1"	-	Affected	in	Suse Search vendor "Suse"	Suse Linux Enterprise Server Search vendor "Suse" for product "Suse Linux Enterprise Server"	15 Search vendor "Suse" for product "Suse Linux Enterprise Server" and version "15"	sp3	Safe