#VU98793 Improper Output Neutralization for Logs in cPanel

Vulnerability identifier: #VU98793

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-117

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
cPanel
Web applications / Remote management & hosting panels

Vendor: cPanel, Inc

Description

The vulnerability allows a remote attacker to alter information in the log file.

the vulnerability exists due to incorrect processing certain encodings in the cPanel login_log. A remote attacker can craft the username for a failed login attempt so that it would create a confusing multi-line log entry in the login_log. This entry could make it appear that a user successfully logged into the server even though it was just an entry from a failed login attempt.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

cPanel: before 11.110.0.44

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External links
https://news.cpanel.com/target-security-release-2024-0001-disclosure/

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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.