#VU36435 Code Injection in Yunucms - CVE-2018-19180

Vulnerability identifier: #VU36435

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-19180

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Yunucms
Web applications / CMS

Vendor: Yunucms

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

statics/app/index/controller/Install.php in YUNUCMS 1.1.5 (if install.lock is not present) allows remote attackers to execute arbitrary PHP code by placing this code in the index.php?s=index/install/setup2 DB_PREFIX field, which is written to database.php.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Yunucms: 1.1.5

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External links
https://github.com/doublefast/yunucms/issues/1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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