Improper validation of integrity check value in cPanel - CVE-2021-38588

 

Improper validation of integrity check value in cPanel - CVE-2021-38588

Published: August 13, 2021


Vulnerability identifier: #VU55844
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-38588
CWE-ID: CWE-354
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper verification of the integrity of downloads in fix_cpanel_perl. A remote attacker can trick a victim to download a specially crafted file and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

cPanel

How to mitigate CVE-2021-38588

Install updates from vendor's website.

cPanel - update to 96.0.13

External References

Related Security Bulletins