CVE-2020-13867

targetcli: weak permissions for /etc/target and backup files

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Open-iSCSI targetcli-fb through 2.1.52 has weak permissions for /etc/target (and for the backup directory and backup files).

Open-iSCSI targetcli-fb versiones hasta 2.1.52, presenta permisos débiles para /etc/target (y para el directorio de respaldo y los archivos de respaldo)

An access flaw was found in targetcli, where the `/etc/target` and underneath backup directory/files were world-readable. This flaw allows a local attacker to access potentially sensitive information such as authentication credentials from the /etc/target/saveconfig.json and backup files. The highest threat from this vulnerability is to confidentiality.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-06-05 CVE Reserved
2020-06-05 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-276: Incorrect Default Permissions

CAPEC

References (7)

URL	Tag	Source
https://github.com/open-iscsi/targetcli-fb/pull/172	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00003.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00005.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LANBGRCCZBPKKBD5ZMJS7C7DYAHYR6B	2023-11-07
https://security.gentoo.org/glsa/202008-22	2023-11-07
https://access.redhat.com/security/cve/CVE-2020-13867	2020-12-15
https://bugzilla.redhat.com/show_bug.cgi?id=1848143	2020-12-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Targetcli-fb Project Search vendor "Targetcli-fb Project"		Targetcli-fb Search vendor "Targetcli-fb Project" for product "Targetcli-fb"				<= 2.1.52 Search vendor "Targetcli-fb Project" for product "Targetcli-fb" and version " <= 2.1.52"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				32 Search vendor "Fedoraproject" for product "Fedora" and version "32"		-		Affected