PT-2017-17893 · Bigtree · Bigtree Cms

Math1As · Published 2017-04-11 · Updated 2017-04-17 · CVE-2017-7695

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions BigTree CMS versions prior to 4.2.17

Description The issue allows for Unrestricted File Upload, enabling an attacker to bypass safety checks by uploading a file named 'xxx.php[space]'. This could lead to the execution of arbitrary code.

Recommendations For versions prior to 4.2.17, update to version 4.2.17 or later to resolve the issue. As a temporary workaround, consider restricting file uploads to prevent potential exploitation.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2017-7695

Affected Products

Bigtree Cms

References · 6

• 🔥 http://math1as.com/bigtree_upload.txt · Exploit
• https://github.com/bigtreecms/BigTree-CMS/commit/8cf4212ea40e1b843e1aecf4b24681b0964ec04c · Patch
• https://github.com/bigtreecms/BigTree-CMS/issues/276 · Patch
• https://osv.dev/vulnerability/CVE-2017-7695 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-7695 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7695 · Note