SB2019081333 - Multiple privilege escalation vulnerabilities in Microsoft Windows
Published: August 13, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 14 vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2019-1173)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the PsmServiceExtHost.dll when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
2) Input validation error (CVE-ID: CVE-2019-1198)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input in SyncController.dll.
A local user can create a specially crafted application and use this vulnerability in conjunction with another issue to escalate privileges on the system.
3) Buffer overflow (CVE-ID: CVE-2019-1190)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the Windows kernel image when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
4) Buffer overflow (CVE-ID: CVE-2019-1186)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the wcmsvc.dll when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
5) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-1184)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows handles COM calls. A local user can create a malicious application, launch it on the system and potentially set certain items to run at a higher level and thereby elevate permissions.
6) Buffer overflow (CVE-ID: CVE-2019-1177)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the rpcss.dll when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
7) Buffer overflow (CVE-ID: CVE-2019-1169)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing objects in memory within the Windows kernel-mode driver Win32k.sys. A local user can create a malicious application, launch it on the system and execute arbitrary code with SYSTEM privileges.
8) Buffer overflow (CVE-ID: CVE-2019-1164)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing objects in memory within the Windows kernel. A local user can create a malicious application, launch it on the system and execute arbitrary code with SYSTEM privileges.
9) Buffer overflow (CVE-ID: CVE-2019-1159)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when processing objects in memory within the Windows kernel. A local user can create a malicious application, launch it on the system and execute arbitrary code with SYSTEM privileges.
10) Buffer overflow (CVE-ID: CVE-2019-1180)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the wcmsvc.dll when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
11) Buffer overflow (CVE-ID: CVE-2019-1179)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the unistore.dll when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
12) Buffer overflow (CVE-ID: CVE-2019-1178)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the ssdpsrv.dll when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
13) Buffer overflow (CVE-ID: CVE-2019-1175)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the psmsrv.dll when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
14) Buffer overflow (CVE-ID: CVE-2019-1174)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the PsmServiceExtHost.dll when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1173
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1198
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1190
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1186
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1184
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1177
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1169
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1164
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1159
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1180
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1179
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1178
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1175
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1174