PHP Object Injection in Welcart e-Commerce - CVE-2020-28339

 

PHP Object Injection in Welcart e-Commerce - CVE-2020-28339

Published: November 7, 2020 / Updated: November 9, 2020


Vulnerability identifier: #VU48209
CSH Severity: Medium
CVSS v4.0: 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-2020-28339
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Collne Inc.
Affected software:
Welcart e-Commerce

Detailed vulnerability description

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

The vulnerability exists due to the affected plugin unserialises the content of the "usces_cookie" cookie via "usces_unserialize()". A remote authenticated attacker can send a specially crafted request 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-2020-28339

Install updates from vendor's website.

Sources