Vulnerability Name:

CVE-2019-1077 (CCN-163005)

Assigned:2018-11-26
Published:2019-07-09
Updated:2020-08-24
Summary:An elevation of privilege vulnerability exists when the Visual Studio updater service improperly handles file permissions, aka 'Visual Studio Elevation of Privilege Vulnerability'.
CVSS v3 Severity:5.0 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N)
4.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:6.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2019-1077

Source: XF
Type: UNKNOWN
ms-visual-cve20191077-priv-esc(163005)

Source: CCN
Type: Microsoft Security TechCenter - July 2019
Visual Studio Elevation of Privilege Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1077

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.1:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft visual studio 2017 15.9
    microsoft visual studio 2019 16.0
    microsoft visual studio 2019 16.1
    microsoft visual studio 2017 15.9
    microsoft visual studio 2019 16.0
    microsoft visual studio 2019 16.1