CVE-2018-0833 — MEDIUM (5.3)

Vulnerability 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".

CVSS Score

5.3

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 8.1	-
Microsoft	Windows Rt 8.1	-
Microsoft	Windows Server 2012	r2

Related Weaknesses (CWE)

CWE-476

References

http://www.securityfocus.com/bid/102924Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040375Third Party AdvisoryVDB Entry
https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833ExploitThird Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833PatchVendor Advisory
https://www.exploit-db.com/exploits/44189/ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/102924Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040375Third Party AdvisoryVDB Entry
https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833ExploitThird Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833PatchVendor Advisory
https://www.exploit-db.com/exploits/44189/ExploitThird Party AdvisoryVDB Entry

FAQ

What is CVE-2018-0833?

CVE-2018-0833 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...

How severe is CVE-2018-0833?

CVE-2018-0833 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-0833?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2012.