Multiple vulnerabilities in Joomla!
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2019-11358 CVE-2019-10946 CVE-2019-10945 |
| CWE-ID | CWE-1321 CWE-287 CWE-22 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #3 is available. |
| Vulnerable software Subscribe |
Joomla! Web applications / CMS |
| Vendor | Joomla! |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
Prototype pollution vulnerability in $.extend method of JQuery was fixed within Joomla! core component, as described in vulnerability #1.
1) Prototype pollution
EUVDB-ID: #VU18092
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-11358
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary JavaScript code.
The vulnerability exists due to improper input validation. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.
Update to version 3.9.5.
Vulnerable software versionsJoomla!: 3.0.0 - 3.9.4
External linkshttp://developer.joomla.org/security-centre.html
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. However, proof of concept for this vulnerability is available.
2) Improper Authentication
EUVDB-ID: #VU20014
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-10946
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to missing authentication checks for the "refresh list of helpsites" endpoint of com_users core component. A remote non-authenticated attacker can request the endpoint and gain access to sensitive information.
Install updates from vendor's website.
Vulnerable software versionsJoomla!: 3.2.0 - 3.9.4
External linksQ & 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.
3) Path traversal
EUVDB-ID: #VU20013
Risk: Low
CVSSv3.1: 2.5 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C]
CVE-ID: CVE-2019-10945
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the com_media core component when processing folder parameter. A remote privileged attacker can send a specially crafted HTTP request and read arbitrary files on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsJoomla!: 1.5.0 - 3.9.4
External linkshttp://packetstormsecurity.com/files/152515/Joomla-3.9.4-Arbitrary-File-Deletion-Directory-Traversal.html
http://developer.joomla.org/security-centre/777-20190401-core-directory-traversal-in-com-media
http://www.exploit-db.com/exploits/46710/
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. However, a fully functional exploit for this vulnerability is available.
