SB2021033038 - SUSE update for ovmf

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Main Vulnerability Database SB2021033038

SB2021033038 - SUSE update for ovmf

Published: March 30, 2021

Security Bulletin ID SB2021033038
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Uncontrolled Recursion (CVE-ID: CVE-2021-28210)

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to an unlimited recursion in DxeCore. A local user can execute arbitrary code on the target system.


2) Heap-based buffer overflow (CVE-ID: CVE-2021-28211)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the LzmaUefiDecompressGetInfo() function. A local user can run a specially crafted program to trigger a heap-based buffer overflow and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References