Incorrect default permissions in targetcli-fb - CVE-2020-13867

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU29037

Incorrect default permissions in targetcli-fb - CVE-2020-13867

Published: June 16, 2020


Vulnerability identifier: #VU29037
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-13867
CWE-ID: CWE-276
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for /etc/target (and for the backup directory and backup files). A remote attacker can view contents of files and directories or modify them.


Affected software

targetcli-fb
Gentoo Linux
CentOS
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Opensuse
openEuler
Fedora
targetcli (Alpine package)
targetcli (Red Hat package)
tcpreplay (Alpine package)
targetcli
targetcli-help

How to mitigate CVE-2020-13867

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

targetcli (Alpine package) - update to 2.1.53-r0
targetcli (Red Hat package) - addressed in versions 2.1.53-1.el7_9, 2.1.53-1.el8
tcpreplay (Alpine package) - update to 4.3.3-r0
targetcli - update to 2.1.53-1.fc32
targetcli - update to 2.1.54-1
targetcli-help - update to 2.1.54-1

External References

Related Security Bulletins