CVE-2018-0833
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…
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EPSS puts the probability of exploitation in the next 30 days at 39.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 39.90% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2012
- Source
- secure@microsoft.com
References
- http://www.securityfocus.com/bid/102924Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040375Third Party Advisory, VDB Entry
- https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/44189/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/102924Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040375Third Party Advisory, VDB Entry
- https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/44189/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.