Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.277
EPSS Ranking 96.2%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
References
- https://github.com/snoopysecurity/snoopysecurity.github.io/blob/master/web-application-security/2021/01/16/09_opencats_php_object_injection.html
- https://snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.html
- https://www.opencats.org/news/
- https://github.com/snoopysecurity/snoopysecurity.github.io/blob/master/web-application-security/2021/01/16/09_opencats_php_object_injection.html
- https://snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.html
- https://www.opencats.org/news/
Products affected by CVE-2021-25294
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cpe:2.3:a:opencats:opencats:-
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cpe:2.3:a:opencats:opencats:0.9.3
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cpe:2.3:a:opencats:opencats:0.9.3-1
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cpe:2.3:a:opencats:opencats:0.9.3-2
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cpe:2.3:a:opencats:opencats:0.9.3-3
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cpe:2.3:a:opencats:opencats:0.9.4
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cpe:2.3:a:opencats:opencats:0.9.4-1
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cpe:2.3:a:opencats:opencats:0.9.4-2
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cpe:2.3:a:opencats:opencats:0.9.4-3
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cpe:2.3:a:opencats:opencats:0.9.5-3