Multiple vulnerabilities in cPanel, cPanel



| Updated: 2020-07-17
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2016-10820
CVE-2016-10821
CVE-2016-10826
CWE-ID CWE-284
CWE-255
CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 cPanel
Web applications / Remote management & hosting panels

Vendor cPanel, Inc

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU30951

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-10820

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

cPanel before 55.9999.141 allows daemons to access their controlling TTYs (SEC-31).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.19

CPE2.3 External links

https://documentation.cpanel.net/display/CL/56+Change+Log
https://forums.cpanel.net/threads/cpanel-tsr-2016-0002-full-disclosure.534481/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Credentials management

EUVDB-ID: #VU30952

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-10821

CWE-ID: CWE-255 - Credentials Management

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

In cPanel before 55.9999.141, Scripts/addpop reveals a command-line password in a process list (SEC-75).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.19

CPE2.3 External links

https://documentation.cpanel.net/display/CL/56+Change+Log
https://news.cpanel.com/cpanel-tsr-2016-0002-full-disclosure/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper Authentication

EUVDB-ID: #VU30953

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-10826

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

cPanel before 55.9999.141 allows attackers to bypass Two Factor Authentication via DNS clustering requests (SEC-93).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.19

CPE2.3 External links

https://documentation.cpanel.net/display/CL/56+Change+Log
https://news.cpanel.com/cpanel-tsr-2016-0002-full-disclosure/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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