Vulnerability Name:

CVE-2017-11761 (CCN-131472)

Assigned:2017-09-12
Published:2017-09-12
Updated:2017-09-21
Summary:Microsoft Exchange Server 2013 and Microsoft Exchange Server 2016 allow an input sanitization issue with Microsoft Exchange that could potentially result in unintended Information Disclosure, aka "Microsoft Exchange Information Disclosure Vulnerability"
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
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): Low
Integrity (I): None
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-11761

Source: BID
Type: Third Party Advisory, VDB Entry
100731

Source: CCN
Type: BID-100731
Microsoft Exchange Server CVE-2017-11761 Information Disclosure Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039320

Source: XF
Type: UNKNOWN
ms-exchange-cve201711761-info-disc(131472)

Source: CCN
Type: Microsoft Security TechCenter - September 2017
Microsoft Exchange Information Disclosure Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11761

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:exchange_server:2013:cumulative_update_16:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2013:cumulative_update_17:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_5:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_6:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_5:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2013:cumulative_update_16:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_6:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2013:cumulative_update_17:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft exchange server 2013 cumulative_update_16
    microsoft exchange server 2013 cumulative_update_17
    microsoft exchange server 2013 sp1
    microsoft exchange server 2016 cumulative_update_5
    microsoft exchange server 2016 cumulative_update_6
    microsoft exchange server 2013 sp1
    microsoft exchange server 2016 cumulative_update_5
    microsoft exchange server 2013 cumulative_update_16
    microsoft exchange server 2016 cumulative_update_6
    microsoft exchange server 2013 cumulative_update_17