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Oracle Linux: CVE-2023-40547: ELSA-2024-1903: shim bug fix update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2023-40547: ELSA-2024-1903:shim bug fix update (IMPORTANT) (Multiple Advisories)

Severity
7
CVSS
(AV:A/AC:H/Au:N/C:C/I:C/A:C)
Published
01/23/2024
Created
05/22/2024
Added
04/24/2024
Modified
01/07/2025

Description

A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise. This flaw is only exploitable during the early boot phase, an attacker needs to perform a Man-in-the-Middle or compromise the boot server to be able to exploit this vulnerability successfully.

Solution(s)

  • oracle-linux-upgrade-mokutil
  • oracle-linux-upgrade-shim-aa64
  • oracle-linux-upgrade-shim-ia32
  • oracle-linux-upgrade-shim-unsigned-x64
  • oracle-linux-upgrade-shim-x64

References

  • https://attackerkb.com/topics/cve-2023-40547
  • CVE - 2023-40547
  • ELSA-2024-1903
  • ELSA-2024-1959
  • ELSA-2024-1902
  • 查看数 705
  • 已创建
  • 最后回复

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