Vulnerability Name:

CVE-2002-1256 (CCN-10843)

Assigned:2002-12-11
Published:2002-12-11
Updated:2019-04-30
Summary:The SMB signing capability in the Server Message Block (SMB) protocol in Microsoft Windows 2000 and Windows XP allows attackers to disable the digital signing settings in an SMB session to force the data to be sent unsigned, then inject data into the session without detection, e.g. by modifying group policy information sent from a domain controller.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2002-1256

Source: CCN
Type: Microsoft Security Bulletin MS15-083
Vulnerability in Server Message Block Could Allow Remote Code Execution (3073921)

Source: CCN
Type: Microsoft Security Bulletin MS16-114
Security Update for Windows SMBv1 Server (3185879)

Source: CCN
Type: Microsoft Security Bulletin MS17-010
Security Update for Windows SMB Server (4013389)

Source: CCN
Type: Microsoft Security Bulletin MS02-070
Flaw in SMB Signing Could Enable Group Policy to be Modified (309376)

Source: CCN
Type: Microsoft Security Bulletin MS05-027
Vulnerability in Server Message Block Could Allow Remote Code Execution (896422)

Source: CCN
Type: Microsoft Security Bulletin MS06-035
Vulnerability in Server Service Could Allow Remote Code Execution (917159)

Source: CCN
Type: Microsoft Security Bulletin MS06-063
Vulnerability in Server Service Could Allow Denial of Service and Remote Code Execution (923414)

Source: CCN
Type: Microsoft Security Bulletin MS08-063
Vulnerability in SMB Could Allow Remote Code Execution (957095)

Source: CCN
Type: Microsoft Security Bulletin MS09-001
Vulnerabilities in SMB Could Allow Remote Code Execution (958687)

Source: CCN
Type: Microsoft Security Bulletin MS10-012
Vulnerabilities in SMB Server Could Allow Remote Code Execution (971468)

Source: CCN
Type: Microsoft Security Bulletin MS10-054
Vulnerabilities in SMB Server Could Allow Remote Code Execution (982214)

Source: CCN
Type: Microsoft Security Bulletin MS11-020
Vulnerability in SMB Server Could Allow Remote Code Execution (2508429)

Source: CCN
Type: OSVDB ID: 11799
Microsoft Windows SMB Signing Group Policy Modification

Source: BID
Type: UNKNOWN
6367

Source: CCN
Type: BID-6367
Microsoft Windows SMB Signing Vulnerability

Source: MS
Type: UNKNOWN
MS02-070

Source: XF
Type: UNKNOWN
win-smb-policy-modification(10843)

Source: XF
Type: UNKNOWN
win-smb-policy-modification(10843)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:277

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_2000:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_2000:*:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_2000_terminal_services:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_2000_terminal_services:*:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_2000_terminal_services:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_2000_terminal_services:*:sp3:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp:*:*:home:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp:*:gold:professional:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:microsoft:windows_2000:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows:xp:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:277
    V
    		SMB Session Digital Signature Sidestep
    2005-10-19
    BACK
    microsoft windows 2000 *
    microsoft windows 2000 * sp1
    microsoft windows 2000 * sp2
    microsoft windows 2000 * sp3
    microsoft windows 2000 terminal services *
    microsoft windows 2000 terminal services * sp1
    microsoft windows 2000 terminal services * sp2
    microsoft windows 2000 terminal services * sp3
    microsoft windows xp *
    microsoft windows xp *
    microsoft windows xp * gold
    microsoft windows 2000 *
    microsoft windows xp