#VU37762 Input validation error in SeaCMS - CVE-2017-17561

Vulnerability identifier: #VU37762

Vulnerability risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-17561

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SeaCMS
Web applications / CMS

Vendor: SeaCMS .Net

Description

The vulnerability allows a remote privileged user to execute arbitrary code.

SeaCMS 6.56 allows remote authenticated administrators to execute arbitrary PHP code via a crafted token field to admin/admin_ping.php, which interacts with data/admin/ping.php.

Mitigation
Install update from vendor's website.

Vulnerable software versions

SeaCMS: 6.56

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External links
https://www.jianshu.com/p/35af80b97ee6
https://gist.github.com/WangYihang/9507e2efdceb67a5bc2761200f19f213

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.