medium4.3
CVE-2019-1172
An information disclosure vulnerability exists in Azure Active Directory (AAD) Microsoft Account (MSA) during the login request session.
Impact
An information disclosure vulnerability exists in Azure Active Directory (AAD) Microsoft Account (MSA) during the login request session. An attacker who successfully exploited the vulnerability could take over a user's account. To exploit the vulnerability, an attacker would have to trick a user into browsing to a specially crafted website, allowing the attacker to steal the user's token. The security update addresses the vulnerability by correcting how MSA handles cookies.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 | All versions Versions 1607, 1703, 1709, 1803, 1809 |
| Microsoft | Windows 8.1 | All versions |
| Microsoft | Windows Rt 8.1 | All versions |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | All versions Versions 1803, 1903 |
| Microsoft | Windows Server 2019 | All versions |