CVE-2021-31997

python-postorius: postorius-permissions.sh used during %post allows local privilege escalation from postorius user to root

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 python-postorius of openSUSE Leap 15.2, Factory allows local attackers to escalate from users postorius or postorius-admin to root. This issue affects: openSUSE Leap 15.2 python-postorius version 1.3.2-lp152.1.2 and prior versions. openSUSE Factory python-postorius version 1.3.4-2.1 and prior versions.

Una vulnerabilidad de enlace simbólico de UNIX (Symlink) en python-postorius de openSUSE Leap 15.2, Factory permite a los atacantes locales escalar desde los usuarios postorius o postorius-admin a root. Este problema afecta a: openSUSE Leap 15.2 python-postorius versión 1.3.2-lp152.1.2 y versiones anteriores. openSUSE Factory python-postorius versión 1.3.4-2.1 y versiones anteriores

*Credits: Matthias Gerstner of SUSE

CVSS Scores

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

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

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

2021-05-03 CVE Reserved
2021-06-10 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=1182407	2022-10-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opensuse Search vendor "Opensuse"	Python-postorius Search vendor "Opensuse" for product "Python-postorius"	< 1.3.2-lp152.1.2 Search vendor "Opensuse" for product "Python-postorius" and version " < 1.3.2-lp152.1.2"	-	Affected	in	Opensuse Search vendor "Opensuse"	Leap Search vendor "Opensuse" for product "Leap"	15.2 Search vendor "Opensuse" for product "Leap" and version "15.2"	-	Safe
Opensuse Search vendor "Opensuse"	Python-postorius Search vendor "Opensuse" for product "Python-postorius"	<= 1.3.4-2.1 Search vendor "Opensuse" for product "Python-postorius" and version " <= 1.3.4-2.1"	-	Affected	in	Opensuse Search vendor "Opensuse"	Factory Search vendor "Opensuse" for product "Factory"	-	-	Safe