CVE-2019-16948

Public Exploit

Description

An SSRF issue was discovered in Enghouse Web Chat 6.1.300.31. In any POST request, one can replace the port number at WebServiceLocation=http://localhost:8085/UCWebServices/ with a range of ports to determine what is visible on the internal network (as opposed to what general web traffic would see on the product's host). The response from open ports is different than from closed ports. The product does not allow one to change the protocol: anything except http(s) will throw an error; however, it is the type of error that allows one to determine if a port is open or not.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.36%
Third-Party Advisory mjlanders.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://mjlanders.com/2019/11/07/multiple-vulnerabilities-found-in-enghouse-zeacom-web-chat/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-16948?
CVE-2019-16948 has been scored as a critical severity vulnerability.
How to fix CVE-2019-16948?
To fix CVE-2019-16948, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16948 being actively exploited in the wild?
It is possible that CVE-2019-16948 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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