Vulnerability Name:

CVE-2018-8305 (CCN-145393)

Assigned:2018-07-10
Published:2018-07-10
Updated:2018-09-08
Summary:An information disclosure vulnerability exists in Windows Mail Client when a message is opened, aka "Windows Mail Client Information Disclosure Vulnerability." This affects Mail, Calendar, and People in Windows 8.1 App Store.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
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-2018-8305

Source: BID
Type: Third Party Advisory, VDB Entry
104618

Source: CCN
Type: BID-104618
Microsoft Windows Mail Client CVE-2018-8305 Information Disclosure Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041270

Source: XF
Type: UNKNOWN
ms-mail-cve20188305-info-disc(145393)

Source: CCN
Type: Microsoft Security TechCenter - July 2018
Windows Mail Client Information Disclosure Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8305

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:windows_calendar:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:windows_mail:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:windows_people:-:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_8.1:-:*:*:*:*:*:*:*

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

  • * Denotes that component is vulnerable
    BACK
    microsoft windows calendar -
    microsoft windows mail -
    microsoft windows people -
    microsoft windows 8.1 -
    microsoft windows 8.1 - -
    microsoft windows 8.1 -
    microsoft windows rt 8.1 *