CVE-2017-9442

BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary code by uploading a crafted package containing a PHP web shell, related to extraction of a ZIP archive to filename patterns such as cache/package/xxx/yyy.php. This issue exists in core\admin\modules\developer\extensions\install\unpack.php and core\admin\modules\developer\packages\install\unpack.php. NOTE: the vendor states "You must implicitly trust any package or extension you install as they all have the ability to write PHP files.

CVSS v3.0

8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

2.45% chance of exploitation in the next 30 days, 83th percentile

Published

2017-06-05

Updated

2024-09-17

Proof-of-concept exploits (1)

• bigtreecms/BigTree-CMS/issues/291

References

• CVE Record
• NVD entry

Related

• CVE-2017-16961
• CVE-2017-6914
• CVE-2017-6915
• CVE-2017-6916
• CVE-2017-6917
• CVE-2017-6918