Privilege escalation in Open-iSCSI rtslib-fb library



Published: 2020-06-25
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14019
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
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rtslib-fb
Other software / Other software solutions

Vendor Open-iSCSI

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU29286

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14019

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly impose security restrictions for "/etc/target/saveconfig.json" when "shutil.copyfile" being used, instead of "shutil.copy". A remote attacker can gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

rtslib-fb: 2.1.70 - 2.1.72

External links

http://github.com/open-iscsi/rtslib-fb/pull/162


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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