Deserialization of Untrusted Data in Virim - CVE-2019-12240

 

Deserialization of Untrusted Data in Virim - CVE-2019-12240

Published: June 14, 2019 / Updated: June 18, 2019


Vulnerability identifier: #VU18804
CSH Severity: High
CVSS v4.0: 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:P/U:Amber
CVE-ID: CVE-2019-12240
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Dan Zarrella
Affected software:
Virim

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data passed via "s_values", "t_values", or "c_values" parameters to "graph.php" script. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2019-12240

Install updates from vendor's website.

Sources