Information disclosure in Microsoft Hyper-V
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-1230 |
| CWE-ID | CWE-125 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU21644
Risk: Low
CVSSv3.1: 3.6 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-1230
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system. A remote authenticated user on a guest operating system can run a specially crafted application that could cause the Hyper-V host operating system to disclose memory information.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 1703 - 10 1809
Windows Server: 2019 - 2019 1803
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1230
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
