Vulnerability Name:

CVE-2017-11932 (CCN-135641)

Assigned:2017-12-12
Published:2017-12-12
Updated:2018-01-02
Summary:Microsoft Exchange Server 2016 CU5 and Microsoft Exchange Server 2016 CU5 allow a spoofing vulnerability due to the way Outlook Web Access (OWA) validates web requests, aka "Microsoft Exchange Spoofing Vulnerability".
CVSS v3 Severity:8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-20
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-11932

Source: BID
Type: Third Party Advisory, VDB Entry
102060

Source: CCN
Type: BID-102060
Microsoft Exchange Server CVE-2017-11932 Spoofing Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039996

Source: XF
Type: UNKNOWN
ms-exchange-cve201711932-spoofing(135641)

Source: CCN
Type: Microsoft Security TechCenter - December 2017
Microsoft Exchange Spoofing Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11932

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:exchange_server:2016:cumulative_update_6:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_7:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:exchange_server:2016:cumulative_update_6:*:*:*:*:*:*
  • OR cpe:/a:microsoft:exchange_server:2016:cumulative_update_7:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft exchange server 2016 cumulative_update_6
    microsoft exchange server 2016 cumulative_update_7
    microsoft exchange server 2016 cumulative_update_6
    microsoft exchange server 2016 cumulative_update_7