#VU28198 Improper Verification of Cryptographic Signature in QEMU - CVE-2020-10702

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Main Vulnerability Database Vulnerabilities #VU28198

#VU28198 Improper Verification of Cryptographic Signature in QEMU - CVE-2020-10702

Published: May 25, 2020


Vulnerability identifier: #VU28198
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-10702
CWE-ID: CWE-347
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

The vulnerability allows a local user to bypass authentication.

The vulnerability exists due to usage of a weak signature algorithm within the /arm/pauth_helper.c in Pointer Authentication support for ARM. A local user can bypass PAuth and gain unauthorized access to resources on the system.


Remediation

Install updates from vendor's website.

External links