Arbitrary file upload in Vtiger CRM



| Updated: 2020-08-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-1713
CWE-ID CWE-434
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Vtiger CRM
Other software / Other software solutions

Vendor Vtiger

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU39178

Risk: Low

CVSSv4.0: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2016-1713

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: Yes

Description

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

Unrestricted file upload vulnerability in the Settings_Vtiger_CompanyDetailsSave_Action class in modules/Settings/Vtiger/actions/CompanyDetailsSave.php in Vtiger CRM 6.4.0 allows remote authenticated users to execute arbitrary code by uploading a crafted image file with an executable extension, then accessing it via a direct request to the file in test/logo/. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6000.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Vtiger CRM: 6.4.0

CPE2.3 External links

https://b.fl7.de/2016/01/vtiger-crm-6.4-auth-rce.html
https://www.openwall.com/lists/oss-security/2016/01/12/4
https://www.openwall.com/lists/oss-security/2016/01/12/7
https://www.exploit-db.com/exploits/44379/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.



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