Vulnerability in Microsoft Azure App Service On Stack

CVE-2019-1372

An remote code execution vulnerability exists when Azure App Service/ Antares on Azure Stack fails to check the length of a buffer prior to copying memory to it.An attacker who successfully exploited this vulnerability could allow an unprivileged function run by the user to execute code in the context of NT AUTHORITY\system thereby escaping the Sandbox.The security update addresses the vulnerability by ensuring that Azure App Service sanitizes user inputs., aka 'Azure App Service Remote Code Execution Vulnerability'.

EPSS: 0.178 (96.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-1372?
CVE-2019-1372 is a critical-severity vulnerability in Microsoft Azure App Service On Stack. CVSS score: 10.0/10. Published 2019-10-10.
How severe is CVE-2019-1372?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2019-1372 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.