PT-2018-11259 · Microsoft · Forefront Unified Access Gateway (Uag) 2010

Published 2018-07-05 · Updated 2018-09-04 · CVE-2018-12571

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Forefront Unified Access Gateway 2010

Description The issue allows remote attackers to trigger outbound DNS queries for arbitrary hosts via a comma-separated list of URLs in the orig url parameter in the 'uniquesig0/InternalSite/InitParams.aspx' endpoint, possibly causing traffic amplification and/or SSRF outcome.

Recommendations For Microsoft Forefront Unified Access Gateway 2010, consider restricting access to the 'uniquesig0/InternalSite/InitParams.aspx' endpoint to minimize the risk of exploitation. Avoid using the orig url parameter with untrusted input until the issue is resolved.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2018-12571

Affected Products

Forefront Unified Access Gateway (Uag) 2010

References · 6

• 🔥 http://seclists.org/fulldisclosure/2018/Jul/7 · Exploit
• 🔥 http://packetstormsecurity.com/files/148389/Microsoft-Forefront-Unified-Access-Gateway-2010-External-DNS-Interaction.html · Exploit
• 🔥 http://seclists.org/fulldisclosure/2018/Jul/2 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-12571 · Security Note
• https://osv.dev/vulnerability/CVE-2018-12571 · Vendor Advisory
• http://securitytracker.com/id/1041212 · Note