CVE Vulnerability

CVE-2021-25294

OpenCATS through 0.9.5-3 unsafely deserializes index.php?m=activity requests, leading to remote code execution. This occurs because lib/DataGrid.php calls unserialize for the parametersactivity:ActivityDataGrid parameter. The PHP object injection exploit chain can leverage an __destruct magic method in guzzlehttp.

10 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/snoopysecurity/snoopysecurity.github.io/blob/master/web-application-security/2021/01/16/09_opencats_php_object_injection.html Patch Third Party Advisory
https://www.opencats.org/news/ Vendor Advisory
https://snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.html Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:opencats:opencats:*:*:*:*:*:*:*:*
Information

Published : 2021-01-18 06:15

Updated : 2021-01-26 09:44

NVD link : CVE-2021-25294

Mitre link : CVE-2021-25294

Products Affected
No products.
CWE
CWE-502

Deserialization of Untrusted Data