#VU31222 Server-Side Request Forgery (SSRF) in iCMS - CVE-2018-15895

Vulnerability identifier: #VU31222

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-15895

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
iCMS
Web applications / CMS

Vendor: iCMS

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

An SSRF vulnerability was discovered in idreamsoft iCMS 7.0.11 because the remote function in app/spider/spider_tools.class.php does not block DNS hostnames associated with private and reserved IP addresses, as demonstrated by 127.0.0.1 in an A record. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-14858.

Mitigation
Install update from vendor's website.

Vulnerable software versions

iCMS: 7.0.0 - 7.0.10

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External links
https://github.com/idreamsoft/iCMS/issues/40

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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.