Privilege escalation in targetcli-fb



Risk High
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2020-13867
CWE-ID CWE-276
Exploitation vector Network
Public exploit N/A
Vulnerable software
 targetcli-fb
Other software / Other software solutions

Vendor Open-iSCSI

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Incorrect default permissions

EUVDB-ID: #VU29037

Risk: High

CVSSv4.0: 8.1 [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/E:U/U:Amber]

CVE-ID: CVE-2020-13867

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

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.

Mitigation

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

Vulnerable software versions

targetcli-fb: 2.1.50 - 2.1.52

CPE2.3 External links

https://github.com/open-iscsi/targetcli-fb/pull/172
https://github.com/open-iscsi/targetcli-fb/commit/493b62ee9e2b1d827d2faad8c77de6a89c7e21a9


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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