SB2021081314 - Multiple vulnerabilities in cPanel

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Main Vulnerability Database SB2021081314

SB2021081314 - Multiple vulnerabilities in cPanel

Published: August 13, 2021

Security Bulletin ID SB2021081314
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Security features bypass (CVE-ID: CVE-2021-38587)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a flaw in scripts/fix-cpanel-perl. A remote attacker can send a specially crafted request and create arbitrary temporary files.


2) Security features bypass (CVE-ID: CVE-2021-38589)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a flaw in scripts/fix-cpanel-perl. A remote attacker can send a specially crafted request and overwrite arbitrary files on the system.


3) Improper validation of integrity check value (CVE-ID: CVE-2021-38588)

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.


Remediation

Install update from vendor's website.

References