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Microsoft Windows 10 CLFS.sys ValidateRegionBlocks privilege escalation vulnerability

🗓️ 08 Sep 2020 00:00:00Reported by Talos IntelligenceType 
talos
 talos🔗 www.talosintelligence.com👁 184 Views

Microsoft Windows 10 CLFS.sys privilege escalation vulnerability from malformed log fil

Related
ReporterTitlePublishedViews
Family
Information Security Automation		Microsoft Patch Tuesday September 2020: Zerologon and other exploits, RCEs in SharePoint and Exchange
30 Sep 202023:46
–avleonov
BDU FSTEC		The vulnerability of the Windows Common Log File System (CLFS) driver in Windows operating systems, related to errors in memory object handling, allows attackers to exploit their privileges.
21 Sep 202000:00
–bdu_fstec
Circl		CVE-2020-1115
19 Nov 202109:41
–circl
CNVD		Microsoft Windows/Windows Server Elevation of Privilege Vulnerability (CNVD-2021-68739)
10 Sep 202000:00
–cnvd
Check Point Advisories		Microsoft Windows Common Log File System Driver Elevation of Privilege (CVE-2020-1115)
8 Sep 202000:00
–checkpoint_advisories
CVE		CVE-2020-1115
11 Sep 202017:08
–cve
Cvelist		CVE-2020-1115 Windows Common Log File System Driver Elevation of Privilege Vulnerability
11 Sep 202017:08
–cvelist
EUVD		EUVD-2020-12002
7 Oct 202500:30
–euvd
Microsoft KB		September 8, 2020—KB4570333 (OS Build 17763.1457)
9 Feb 202108:00
–mskb
Microsoft KB		September 8, 2020—KB4571756 (OS Build 19041.508)
9 Feb 202108:00
–mskb
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08 Sep 2020 00:00Current
8.2High risk
Vulners AI Score8.2
CVSS 24.6
CVSS 3.17.8
EPSS0.00268
windows 10clfs.sysprivilege escalationmalformed log fileheap buffer overflowuser-modekernel-modecve-122buffer overflow
184