Vulnerability Details : CVE-2018-0833
Potential exploit
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".
Vulnerability category: Denial of service
Products affected by CVE-2018-0833
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-0833
72.86%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-0833
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.3
|
MEDIUM | AV:N/AC:M/Au:S/C:N/I:N/A:C |
6.8
|
6.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.6
|
3.6
|
NIST |
CWE ids for CVE-2018-0833
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-0833
-
http://www.securityfocus.com/bid/102924
Microsoft Windows SMB Server CVE-2018-0833 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://www.securitytracker.com/id/1040375
Windows Server Message Block Request Processing Bug Lets Remote Authenticated Users Cause the Target System to Crash - SecurityTrackerThird Party Advisory;VDB Entry
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833
CVE-2018-0833 | Windows Denial of Service VulnerabilityPatch;Vendor Advisory
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https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833
CVE-in-Ruby/CVE-2018-0833 at master · KINGSABRI/CVE-in-Ruby · GitHubExploit;Third Party Advisory
-
https://www.exploit-db.com/exploits/44189/
Microsoft Windows 8.1/2012 R2 - SMBv3 Null Pointer Dereference Denial of ServiceExploit;Third Party Advisory;VDB Entry
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