PT-2022-11538 · Insyde · Insydeh2O Kernel

Published 2022-02-03 · Updated 2022-04-18 · CVE-2021-42059

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Insyde InsydeH2O Kernel 5.0 before 05.08.41 Insyde InsydeH2O Kernel 5.1 before 05.16.41 Insyde InsydeH2O Kernel 5.2 before 05.26.41 Insyde InsydeH2O Kernel 5.3 before 05.35.41 Insyde InsydeH2O Kernel 5.4 before 05.42.20

Description A stack-based buffer overflow in the UEFI DisplayTypeDxe DXE driver leads to arbitrary code execution. This issue allows a local root user to access the UEFI DXE driver and execute arbitrary code.

Recommendations For Insyde InsydeH2O Kernel 5.0 before 05.08.41, update to version 05.08.41 or later. For Insyde InsydeH2O Kernel 5.1 before 05.16.41, update to version 05.16.41 or later. For Insyde InsydeH2O Kernel 5.2 before 05.26.41, update to version 05.26.41 or later. For Insyde InsydeH2O Kernel 5.3 before 05.35.41, update to version 05.35.41 or later. For Insyde InsydeH2O Kernel 5.4 before 05.42.20, update to version 05.42.20 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-42059

Affected Products

Insydeh2O Kernel

References · 10

• https://insyde.com/security-pledge · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-42059 · Vendor Advisory
• https://insyde.com/security-pledge/SA-2022006 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42059 · Security Note
• https://t.me/cvenotify/26891 · Telegram Post
• https://t.me/cvenotify/26477 · Telegram Post
• https://t.me/cibsecurity/36752 · Telegram Post
• https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf · Note
• https://security.netapp.com/advisory/ntap-20220216-0008 · Note
• https://kb.cert.org/vuls/id/796611 · Note