Multiple vulnerabilities in Microsoft Windows WalletService
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-1556 CVE-2020-1533 |
| CWE-ID | CWE-119 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU45541
Risk: Low
CVSSv4.0: 5.9 [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]
CVE-ID: CVE-2020-1556
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsWindows: 10 - 10 2004 10.0.19041.264
Windows Server: 2016 10.0.14393.10 - 2019 2004
CPE2.3- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1607:10.0.14393.10:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1709:10.0.16299.19:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1803:10.0.17134.48:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1809:10.0.17763.1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1903:10.0.18362.116:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1909:10.0.18363.476:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1556
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Buffer overflow
EUVDB-ID: #VU45542
Risk: Low
CVSSv4.0: 5.9 [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]
CVE-ID: CVE-2020-1533
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsWindows: 10 - 10 2004 10.0.19041.264
Windows Server: 2016 10.0.14393.10 - 2019 2004
CPE2.3- cpe:2.3:o:microsoft:windows:10_1607:10.0.14393.10:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1709:10.0.16299.19:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1803:10.0.17134.48:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1809:10.0.17763.1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1903:10.0.18362.116:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1909:10.0.18363.476:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019_1903:*:*:*:*:*:*:*
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1533
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
