CVE-2020-15396

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.

En HylaFAX+ versiones hasta 7.0.2 y HylaFAX Enterprise, la utilidad de configuración del fax llama chown sobre archivos en directorios propiedad del usuario. Al ganar una carrera, un atacante local podría usar esto para escalar sus privilegios para root

*Credits: N/A

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

2020-06-30 CVE Reserved
2020-06-30 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CAPEC

References (9)

URL	Tag	Source

URL	Date	SRC
https://bugzilla.suse.com/show_bug.cgi?id=1173521	2024-08-04

URL	Date	SRC
https://sourceforge.net/p/hylafax/HylaFAX+/2534	2023-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00039.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00040.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00046.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00054.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J52QFVREJWJ35YSEEDDRMZQ2LM2H2WE6	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y46FOVJUS5SO44A2VEKR7DXEHTI4WK5L	2023-11-07
https://security.gentoo.org/glsa/202007-06	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Hylafax\+ Project Search vendor "Hylafax\+ Project"		Hylafax\+ Search vendor "Hylafax\+ Project" for product "Hylafax\+"				<= 7.0.2 Search vendor "Hylafax\+ Project" for product "Hylafax\+" and version " <= 7.0.2"		-		Affected
Ifax Search vendor "Ifax"		Hylafax Enterprise Search vendor "Ifax" for product "Hylafax Enterprise"				-		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				31 Search vendor "Fedoraproject" for product "Fedora" and version "31"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				32 Search vendor "Fedoraproject" for product "Fedora" and version "32"		-		Affected
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		Affected
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"		sp2		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.2 Search vendor "Opensuse" for product "Leap" and version "15.2"		-		Affected