cPanel EasyApache update for ea-ruby27-rubygem-rack

1) Improper Output Neutralization for Logs

EUVDB-ID: #VU105795

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: CVE-2025-27111

CWE-ID: CWE-117 - Improper Output Neutralization for Logs

Exploit availability: No

Description

The vulnerability allows a remote attacker to manipulate log entries.

The vulnerability exists due to improper input validation of the X-Sendfile-Type header in Rack::Sendfile when handling. A remote attacker can send specially crafted data containing newline characters via the affected header and manipulate log files.

Mitigation

Install update from vendor's website.

Vulnerable software versions

EasyApache: 4 25-1 - 4 20201-3-3

CPE2.3

• cpe:2.3:a:cpanel:easyapache:4:25-1:*:*:*:*:*:*
• cpe:2.3:a:cpanel:easyapache:4:25-2:*:*:*:*:*:*
• cpe:2.3:a:cpanel:easyapache:4:25-3:*:*:*:*:*:*

External links

https://news.cpanel.com/easyapache4-v25-8-maintenance-and-security-release/

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.