Buffer overflow in Microsoft Forefront Security
CVE-2017-0290
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 does not properly scan a specially crafted file leading to memory corruption, aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability."
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.814 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.732 · newest: 0.814 · change: +0.082
Affected products
- Microsoft Forefront Security
- Microsoft Malware Protection Engine
- Microsoft Windows 10 — versions 1511, 1607, 1703
- Microsoft Windows 7
- Microsoft Windows 8.1
- Microsoft Windows Defender
- Microsoft Windows Rt 8.1
- Microsoft Windows Server 2008 — versions r2
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Server 2016
Weakness classification (CWE)
Public proof-of-concept exploits
References
- arstechnica.com/information-technology/2017/05/windows-defender-nscript-remote-… (Third Party Advisory, Press/Media Coverage)
- bugs.chromium.org/p/project-zero/issues/detail (Exploit, Third Party Advisory)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0290 (Vendor Advisory)
- www.securitytracker.com/id/1038420 (vdb-entry)
- www.exploit-db.com/exploits/41975/ (exploit)
- www.securitytracker.com/id/1038419 (vdb-entry)
- 0patch.blogspot.si/2017/05/0patching-worst-windows-remote-code.html
- twitter.com/natashenka/status/861748397409058816 (Exploit, Third Party Advisory)
- technet.microsoft.com/library/security/4022344 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/98330 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-0290?
- CVE-2017-0290 is a high-severity vulnerability in Microsoft Forefront Security, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-05-09.
- How severe is CVE-2017-0290?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-0290 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.