CVE-2018-12571

uniquesig0/InternalSite/InitParams.aspx in Microsoft Forefront Unified Access Gateway 2010 allows remote attackers to trigger outbound DNS queries for…

published July 5, 2018

CVSS
—
EPSS
31%
Percentile
98.2
In the wild
Unconfirmed
What it is

⚠️ A crafty little vulnerability lurks in Microsoft Forefront Unified Access Gateway 2010! An attacker can exploit the orig_url parameter to trigger unwanted DNS queries — think of it as a spammy telemarketer making calls on your behalf. 📞💥 Imagine if you ordered a pizza but accidentally let the delivery person call anyone they wanted instead. That's how this vulnerability works: a misconfigured setting allows attackers to send requests to arbitrary hosts, potentially amplifying traffic and causing chaos! This could lead to some seriously unwanted traffic being directed through your network, possibly resulting in a traffic amplification effect or an SSRF (Server-Side Request Forgery) outcome. It's like opening a floodgate and letting in a deluge of unwanted calls that could overwhelm your resources. Yikes!

Put simply

Imagine if you ordered a pizza but accidentally let the delivery person call anyone they wanted instead. That's how this vulnerability works: a misconfigured setting allows attackers to send requests to arbitrary hosts, potentially amplifying traffic and causing chaos! This vulnerability allows remote attackers to manipulate the orig_url parameter in a way that generates outbound DNS queries to arbitrary hosts, leading to potential SSRF scenarios and traffic amplification.

What to do

This could lead to some seriously unwanted traffic being directed through your network, possibly resulting in a traffic amplification effect or an SSRF (Server-Side Request Forgery) outcome. It's like opening a floodgate and letting in a deluge of unwanted calls that could overwhelm your resources. Yikes! To mitigate this risk, ensure that you restrict access to the orig_url parameter and implement strict validation on incoming requests. Regularly review configurations and consider upgrading to a more secure version of the software if available. You've got this! Follow these steps to tighten security and keep those unwanted calls at bay! 🛡️✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.30690 · 98.2th percentile
Published
2018-07-05T20:00Z
EPSS history
Timeline
  • 05 JUL 20:00Z
    uniquesig0/InternalSite/InitParams.aspx in Microsoft Forefront Unified Access Gateway 2010 allows remote attackers to trigger outbound DNS queries for…
    cvelistv5