CVE-2020-8019

syslog-ng: Local privilege escalation from new to root in %post

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 packaging of syslog-ng of SUSE Linux Enterprise Debuginfo 11-SP3, SUSE Linux Enterprise Debuginfo 11-SP4, SUSE Linux Enterprise Module for Legacy Software 12, SUSE Linux Enterprise Point of Sale 11-SP3, SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Linux Enterprise Server for SAP 12-SP1; openSUSE Backports SLE-15-SP1, openSUSE Leap 15.1 allowed local attackers controlling the user news to escalate their privileges to root. This issue affects: SUSE Linux Enterprise Debuginfo 11-SP3 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Debuginfo 11-SP4 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Module for Legacy Software 12 syslog-ng versions prior to 3.6.4-12.8.1. SUSE Linux Enterprise Point of Sale 11-SP3 syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Server 11-SP4-LTSS syslog-ng versions prior to 2.0.9-27.34.40.5.1. SUSE Linux Enterprise Server for SAP 12-SP1 syslog-ng versions prior to 3.6.4-12.8.1. openSUSE Backports SLE-15-SP1 syslog-ng versions prior to 3.19.1-bp151.4.6.1. openSUSE Leap 15.1 syslog-ng versions prior to 3.19.1-lp151.3.6.1.

Una vulnerabilidad de Seguimiento de Enlace Simbólico de UNIX (Symlink), en el paquete de syslog-ng de SUSE Linux Enterprise Debuginfo 11-SP3, SUSE Linux Enterprise Debuginfo 11-SP4, SUSE Linux Enterprise Module for Legacy Software versión 12, SUSE Linux Enterprise Point of Sale versión 11- SP3, SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Linux Enterprise Server for SAP versión 12-SP1; openSUSE Backports versión SLE-15-SP1, openSUSE Leap versión 15.1, permitió a atacantes locales que controlaban las noticias de usuarios escalar sus privilegios a root. Este problema afecta a: syslog-ng de SUSE Linux Enterprise Debuginfo 11-SP3 versiones anteriores a 2.0.9-27.34.40.5.1. syslog-ng de SUSE Linux Enterprise Debuginfo 11-SP4 versiones anteriores a 2.0.9-27.34.40.5.1. syslog-ng de SUSE Linux Enterprise Module for Legacy Software 12 versiones anteriores a 3.6.4-12.8.1. syslog-ng de SUSE Linux Enterprise Point of Sale 11-SP3 versiones anteriores a 2.0.9-27.34.40.5.1. syslog-ng de SUSE Linux Enterprise Server 11-SP4-LTSS versiones anteriores a 2.0.9-27.34.40.5.1. syslog-ng de SUSE Linux Enterprise Server for SAP 12-SP1 versiones anteriores a 3.6.4-12.8.1. syslog-ng de OpenSUSE Backports SLE-15-SP1 versiones anteriores a 3.19.1-bp151.4.6.1. syslog-ng de openSUSE Leap 15.1 versiones anteriores a 3.19.1-lp151.3.6.1

*Credits: Johannes Segitz 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

High

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

2020-01-27 CVE Reserved
2020-06-29 CVE Published
2023-03-08 EPSS Updated
2024-09-17 CVE Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-61: UNIX Symbolic Link (Symlink) Following

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://bugzilla.suse.com/show_bug.cgi?id=1169385	2024-09-17

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Oneidentity Search vendor "Oneidentity"	Syslog-ng Search vendor "Oneidentity" for product "Syslog-ng"	< 2.0.9-27.34.40.5.1 Search vendor "Oneidentity" for product "Syslog-ng" and version " < 2.0.9-27.34.40.5.1"	-	Affected	in	Suse Search vendor "Suse"	Linux Enterprise Debuginfo Search vendor "Suse" for product "Linux Enterprise Debuginfo"	11 Search vendor "Suse" for product "Linux Enterprise Debuginfo" and version "11"	sp3	Safe
Oneidentity Search vendor "Oneidentity"	Syslog-ng Search vendor "Oneidentity" for product "Syslog-ng"	< 2.0.9-27.34.40.5.1 Search vendor "Oneidentity" for product "Syslog-ng" and version " < 2.0.9-27.34.40.5.1"	-	Affected	in	Suse Search vendor "Suse"	Linux Enterprise Debuginfo Search vendor "Suse" for product "Linux Enterprise Debuginfo"	11 Search vendor "Suse" for product "Linux Enterprise Debuginfo" and version "11"	sp4	Safe
Oneidentity Search vendor "Oneidentity"	Syslog-ng Search vendor "Oneidentity" for product "Syslog-ng"	< 3.6.4-12.8.1 Search vendor "Oneidentity" for product "Syslog-ng" and version " < 3.6.4-12.8.1"	-	Affected	in	Suse Search vendor "Suse"	Linux Enterprise Module For Legacy Search vendor "Suse" for product "Linux Enterprise Module For Legacy"	12 Search vendor "Suse" for product "Linux Enterprise Module For Legacy" and version "12"	-	Safe
Oneidentity Search vendor "Oneidentity"	Syslog-ng Search vendor "Oneidentity" for product "Syslog-ng"	< 2.0.9-27.34.40.5.1 Search vendor "Oneidentity" for product "Syslog-ng" and version " < 2.0.9-27.34.40.5.1"	-	Affected	in	Suse Search vendor "Suse"	Linux Enterprise Point Of Sale Search vendor "Suse" for product "Linux Enterprise Point Of Sale"	11 Search vendor "Suse" for product "Linux Enterprise Point Of Sale" and version "11"	sp3	Safe
Oneidentity Search vendor "Oneidentity"	Syslog-ng Search vendor "Oneidentity" for product "Syslog-ng"	< 2.0.9-27.34.40.5.1 Search vendor "Oneidentity" for product "Syslog-ng" and version " < 2.0.9-27.34.40.5.1"	-	Affected	in	Suse Search vendor "Suse"	Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"	11 Search vendor "Suse" for product "Linux Enterprise Server" and version "11"	sp4, ltss	Safe
Oneidentity Search vendor "Oneidentity"	Syslog-ng Search vendor "Oneidentity" for product "Syslog-ng"	< 3.6.4-12.8.1 Search vendor "Oneidentity" for product "Syslog-ng" and version " < 3.6.4-12.8.1"	-	Affected	in	Suse Search vendor "Suse"	Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"	12 Search vendor "Suse" for product "Linux Enterprise Server" and version "12"	sp1, sap	Safe
Oneidentity Search vendor "Oneidentity"	Syslog-ng Search vendor "Oneidentity" for product "Syslog-ng"	< 3.19.1-bp151.4.6.1 Search vendor "Oneidentity" for product "Syslog-ng" and version " < 3.19.1-bp151.4.6.1"	-	Affected	in	Opensuse Search vendor "Opensuse"	Backports Sle Search vendor "Opensuse" for product "Backports Sle"	15.0 Search vendor "Opensuse" for product "Backports Sle" and version "15.0"	sp1	Safe
Oneidentity Search vendor "Oneidentity"	Syslog-ng Search vendor "Oneidentity" for product "Syslog-ng"	< 3.19.1-lp151.3.6.1 Search vendor "Oneidentity" for product "Syslog-ng" and version " < 3.19.1-lp151.3.6.1"	-	Affected	in	Opensuse Search vendor "Opensuse"	Leap Search vendor "Opensuse" for product "Leap"	15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"	-	Safe