SB2020071418 - Multiple vulnerabilities in Microsoft Windows WalletService
Published: July 14, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2020-1369)
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 privilege so the system.
The vulnerability exists due to a boundary error in the Windows WalletService 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) Buffer overflow (CVE-ID: CVE-2020-1344)
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 privilege so the system.
The vulnerability exists due to a boundary error in the Windows WalletService 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.
3) Out-of-bounds read (CVE-ID: CVE-2020-1361)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when the WalletService improperly handles memory. A local user can use a specially crafted application, trigger out-of-bounds read error and read contents of memory on the system.
4) Buffer overflow (CVE-ID: CVE-2020-1362)
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 privilege so the system.
The vulnerability exists due to a boundary error in the Windows WalletService 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) Buffer overflow (CVE-ID: CVE-2020-1364)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when the WalletService improperly handles files. A local user can use a specially crafted application, trigger memory corruption and cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1369
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1344
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1361
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1362
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1364