Multiple vulnerabilities in cPanel, cPanel



| Updated: 2020-07-17
Risk High
Patch available YES
Number of vulnerabilities 17
CVE-ID CVE-2016-10837
CVE-2016-10838
CVE-2016-10839
CVE-2016-10840
CVE-2016-10842
CVE-2016-10843
CVE-2016-10844
CVE-2016-10845
CVE-2016-10847
CVE-2016-10848
CVE-2016-10849
CVE-2016-10850
CVE-2016-10851
CVE-2016-10852
CVE-2016-10853
CVE-2016-10854
CVE-2016-10855
CWE-ID CWE-426
CWE-284
CWE-89
CWE-20
CWE-77
CWE-200
CWE-74
CWE-285
CWE-79
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 17 vulnerabilities.

1) Untrusted search path

EUVDB-ID: #VU30957

Risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-10837

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description

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

cPanel before 11.54.0.4 allows arbitrary code execution because of an unsafe @INC path (SEC-46).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log


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) Improper access control

EUVDB-ID: #VU30958

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-2016-10838

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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

cPanel before 11.54.0.4 allows arbitrary file-read operations via the bin/fmq script (SEC-70).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log


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) SQL injection

EUVDB-ID: #VU30959

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-10839

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in bin/horde_update_usernames (SEC-71) in cPanel before 11.54.0.4. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation

Update to version 11.54.0.4.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log


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.

4) Exposure of Resource to Wrong Sphere

EUVDB-ID: #VU30960

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-2016-10840

CWE-ID: N/A

Exploit availability: No

Description

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

cPanel before 11.54.0.4 allows arbitrary code execution during locale duplication (SEC-72).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log


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.

5) Input validation error

EUVDB-ID: #VU30961

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-2016-10842

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

cPanel before 11.54.0.4 allows certain file-read operations in bin/setup_global_spam_filter.pl (SEC-74).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log


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.

6) Command Injection

EUVDB-ID: #VU30962

Risk: High

CVSSv4.0: 6.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-10843

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

cPanel before 11.54.0.4 allows code execution in the context of shared users via JSON-API (SEC-76).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log


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.

7) Information disclosure

EUVDB-ID: #VU30963

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-2016-10844

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

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

The chcpass script in cPanel before 11.54.0.4 reveals a password hash (SEC-77).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://news.cpanel.com/cpanel-tsr-2016-0001-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.

8) Improper Neutralization of Special Elements in Output Used by a Downstream Component

EUVDB-ID: #VU30964

Risk: High

CVSSv4.0: 6.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-10845

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

cPanel before 11.54.0.4 allows arbitrary file-overwrite operations in scripts/check_system_storable (SEC-78).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log


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.

9) Improper Neutralization of Special Elements in Output Used by a Downstream Component

EUVDB-ID: #VU30965

Risk: High

CVSSv4.0: 6.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-10847

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

cPanel before 11.54.0.4 allows arbitrary file-read and file-write operations via scripts/fixmailboxpath (SEC-80).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://news.cpanel.com/cpanel-tsr-2016-0001-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.

10) Improper Authorization

EUVDB-ID: #VU30966

Risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-10848

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

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

cPanel before 11.54.0.4 allows arbitrary file-overwrite operations in scripts/quotacheck (SEC-81).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://news.cpanel.com/cpanel-tsr-2016-0001-full-disclosure/


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

11) Command Injection

EUVDB-ID: #VU30967

Risk: Medium

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

CVE-ID: CVE-2016-10849

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to manipulate data.

cPanel before 11.54.0.4 allows certain file-chmod operations in scripts/secureit (SEC-82).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log


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.

12) Input validation error

EUVDB-ID: #VU30968

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-2016-10850

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

cPanel before 11.54.0.4 allows arbitrary code execution via scripts/synccpaddonswithsqlhost (SEC-83).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://forums.cpanel.net/threads/cpanel-tsr-2016-0001-full-disclosure.522571/


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.

13) Cross-site scripting

EUVDB-ID: #VU30969

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-10851

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

cPanel before 11.54.0.4 allows self XSS in the WHM PHP Configuration editor interface (SEC-84).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://forums.cpanel.net/threads/cpanel-tsr-2016-0001-full-disclosure.522571/


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.

14) Improper access control

EUVDB-ID: #VU30970

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-2016-10852

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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

cPanel before 11.54.0.4 lacks ACL enforcement in the AppConfig subsystem (SEC-85).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://news.cpanel.com/cpanel-tsr-2016-0001-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.

15) Cross-site scripting

EUVDB-ID: #VU30971

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-10853

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 11.54.0.4.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://news.cpanel.com/cpanel-tsr-2016-0001-full-disclosure/


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.

16) Cross-site scripting

EUVDB-ID: #VU30972

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-10854

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

cPanel before 11.54.0.4 allows self XSS in the X3 Entropy Banner interface (SEC-87).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://forums.cpanel.net/threads/cpanel-tsr-2016-0001-full-disclosure.522571/


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.

17) Input validation error

EUVDB-ID: #VU30973

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-10855

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

cPanel before 11.54.0.4 allows unauthenticated arbitrary code execution via cpsrvd (SEC-91).

Mitigation

Install update from vendor's website.

Vulnerable software versions

cPanel: 11.54.0.0 - 11.54.0.3

CPE2.3 External links

https://documentation.cpanel.net/display/CL/54+Change+Log
https://forums.cpanel.net/threads/cpanel-tsr-2016-0001-full-disclosure.522571/


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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