CVE-2020-1206

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'.

From the Tenable Blog

SMBleed (CVE-2020-1206) and SMBLost (CVE-2020-1301) Vulnerabilities Affect Microsoft SMBv3 and SMBv1

Published: 2020-06-10

Three months after an out-of-band patch was released for SMBGhost, aka EternalDarkness (CVE-2020-0796), researchers disclosed two new flaws affecting Microsoft’s Server Message Block (SMB) protocol, including working proof-of-concepts.

References

https://thehackernews.com/2023/12/behind-scenes-of-matveevs-ransomware.html

https://www.tenable.com/blog/smbleed-cve-2020-1206-and-smblost-cve-2020-1301-vulnerabilities-affect-microsoft-smbv3-and

https://www.tenable.com/blog/microsoft-s-june-2020-patch-tuesday-addresses-129-cves-including-newly-disclosed-smbv3

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1206

http://packetstormsecurity.com/files/158053/SMBleed-Uninitialized-Kernel-Memory-Read-Proof-Of-Concept.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3