CVE-2020-1206 — Use of Uninitialized Resource in Microsoft Windows 10 Version 1903 FOR 32-bit Systems

CWE-908 — Use of Uninitialized ResourceCWE-200 — Sensitive Information Exposure11 documents9 sources
Severity
7.5HIGHNVD
EPSS
31.2%
top 3.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
23
Microsoft Windows 10 Version 1903 FOR 32-bit SystemsMicrosoft Windows 10 Version 1903 FOR Arm64-based SystemsMicrosoft Windows 10 Version 1903 FOR X64-based Systems+20 more
Timeline
PublishedJun 9
Latest updateMay 24

Description

An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages23 packages

▶NVDmicrosoft/windows1903, 1909, 2004+2
▶NVDmicrosoft/windows_101903, 1909, 2004+2

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-29hr-xxhm-93gg: An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3↗2022-05-24
▶
VulnCheck
Microsoft Windows Use of Uninitialized Resource↗2020
▶

🔍Detection Rules

1
YARA
HKTL_NET_GUID_CVE_2020_1206_POC↗
▶

📋Vendor Advisories

1
Microsoft
Windows SMBv3 Client/Server Information Disclosure Vulnerability↗2020-06-09
▶

🕵️Threat Intelligence

6
Securelist
IT threat evolution Q2 2020. PC statistics↗2020-09-03
▶
Securelist
IT threat evolution Q2 2020. PC statistics↗2020-09-03
▶
Tenable
SMBleed (CVE-2020-1206) and SMBLost (CVE-2020-1301) Vulnerabilities Affect Microsoft SMBv3 and SMBv1↗2020-06-10
▶
Trendmicro
Patch Tuesday: Fixes for LNK, SMB, and SharePoint Bugs↗2020-06-10
▶
Tenable
Microsoft’s June 2020 Patch Tuesday Addresses 129 CVEs Including Newly Disclosed SMBv3 Vulnerability (CVE-2020-1206)↗2020-06-09
▶