CVE-2018-0833

Public Exploit

Description

The Microsoft Server Message Block 2.0 and 3.0 (SMBv2/SMBv3) client in Windows 8.1 and RT 8.1 and Windows Server 2012 R2 allows a denial of service vulnerability due to how specially crafted requests are handled, aka "SMBv2/SMBv3 Null Dereference Denial of Service Vulnerability".

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 72.86% Top 5%
Vendor Advisory microsoft.com
Affected: Microsoft Corporation Server Message Block
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/102924 vdb entry third party advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833 patch vendor advisory
http://www.securitytracker.com/id/1040375 vdb entry third party advisory
https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833 third party advisory exploit
https://www.exploit-db.com/exploits/44189/ exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-0833?
CVE-2018-0833 has been scored as a medium severity vulnerability.
How to fix CVE-2018-0833?
To fix CVE-2018-0833, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0833 being actively exploited in the wild?
It is possible that CVE-2018-0833 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~73% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0833?
CVE-2018-0833 affects Microsoft Corporation Server Message Block.
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