Multiple vulnerabilities in cPanel EasyApache



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-38039
CVE-2023-4807
CWE-ID CWE-400
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
EasyApache
Server applications / Other server solutions

Vendor cPanel, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU80732

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-38039

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not limit the size of received headers from a single request that are stored for future reference. A remote attacker can send overly large HTTP responses to the application and consume all memory resources.

Mitigation

Install update from vendor's website.

Vulnerable software versions

EasyApache: before 4 2023-9-20

CPE2.3 External links

https://news.cpanel.com/easyapache4-2023-09-20-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.

2) Input validation error

EUVDB-ID: #VU80565

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-4807

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the POLY1305 MAC (message authentication code) implementation. A remote attacker can send specially crafted input to the application and corrupt MM registers on Windows 64 platform, resulting in a denial of service condition.

Mitigation

Install update from vendor's website.

Vulnerable software versions

EasyApache: before 4 2023-9-20

CPE2.3 External links

https://news.cpanel.com/easyapache4-2023-09-20-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.



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