CVE-2017-0199 on CISA KEV

Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, Windows 8.1 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Of

01What CISA says about this vulnerability

Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, Windows 8.1 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office/WordPad Remote Code Execution Vulnerability w/Windows API."

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• www.securityfocus.com — http://www.securityfocus.com/bid/97498
• blog.nviso.be — https://blog.nviso.be/2017/04/12/analysis-of-a-cve-2017-0199-malicious-rtf-docum…
• rewtin.blogspot.nl — http://rewtin.blogspot.nl/2017/04/cve-2017-0199-practical-exploitation-poc.html
• www.exploit-db.com — https://www.exploit-db.com/exploits/41894/
• www.fireeye.com — https://www.fireeye.com/blog/threat-research/2017/04/cve-2017-0199_useda.html
• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0199
• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
• www.mdsec.co.uk — https://www.mdsec.co.uk/2017/04/exploiting-cve-2017-0199-hta-handler-vulnerabili…
• www.exploit-db.com — https://www.exploit-db.com/exploits/41934/
• www.exploit-db.com — https://www.exploit-db.com/exploits/42995/
• www.securitytracker.com — http://www.securitytracker.com/id/1038224

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Microsoft Corporation	Office/WordPad	Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, and Windows 8.1

06Detection

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