Vulnerability Name:

CVE-2018-0833

Assigned:2017-12-01
Published:2018-02-13
Updated:2018-04-04
Summary: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 v3 Severity:5.3 Medium (CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.8 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H)
4.3 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:6.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.9 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
References:Source: BID
Type: VENDOR_ADVISORY
102924

Source: SECTRACK
Type: VENDOR_ADVISORY
1040375

Source: XF
Type: UNKNOWN
ms-smb-cve20180833-dos(138526)

Source: MISC
Type: UNKNOWN
https://github.com/KINGSABRI/CVE-in-Ruby/tree/master/CVE-2018-0833

Source: CONFIRM
Type: VENDOR_ADVISORY
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0833

Source: EXPLOIT-DB
Type: VENDOR_ADVISORY
44189

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:microsoft:windows_8.1:-:-:-:*:-:-:x32:*
  • OR cpe:/o:microsoft:windows_8.1:-:-:-:*:-:-:x64:*
  • OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft windows 8.1 *
    microsoft windows rt 8.1 *
    microsoft windows server 2012 r2
    microsoft windows 8.1 - -
    microsoft windows 8.1 - -
    microsoft windows server 2012 r2
    microsoft windows rt 8.1 *