CVE-2018-15895 — An SSRF vulnerability was discovered in idreamsoft iCMS 7

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 ex

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2018-08-27T04:00:00.000Z
• Last modified: 2024-08-05T10:10:04.875Z

09References

• github.com — https://github.com/idreamsoft/iCMS/issues/40