CVE-2018-12571 Server-side request forgery in n/a

Critical 9.8 Published Updated

Remote attackers can trigger outbound DNS queries for arbitrary hosts via the orig_url parameter, potentially causing SSRF or traffic amplification.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-12571?

CVE-2018-12571 is a critical server-side request forgery vulnerability in n/a, published on 5 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

uniquesig0/InternalSite/InitParams.aspx in 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.

Weakness: CWE-918

Which versions are affected by CVE-2018-12571?

It affects 1 product.

Products include Microsoft Forefront Unified Access Gateway.

How do I fix CVE-2018-12571?

No fix has been published for CVE-2018-12571 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2018-12571 being exploited?

There is no known exploitation of CVE-2018-12571 in the wild and no public exploit code.

Sources

Also known as GHSA-rcm8-cg2r-pcq3.

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