SB2021062252 - SUSE update for ovmf

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Main Vulnerability Database SB2021062252

SB2021062252 - SUSE update for ovmf

Published: June 22, 2021

Security Bulletin ID SB2021062252
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2019-14584)

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

The vulnerability exists due to a NULL pointer dereference error. A local user can run a specially crafted program to escalate privileges on the system.


2) 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.


3) 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