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almalinuxAlmaLinuxALSA-2024:1075
HistoryMar 05, 2024 - 12:00 a.m.

Important: edk2 security update

2024-03-0500:00:00
errata.almalinux.org
23
edk2
uefi
buffer overflow
dhcpv6
security update
cve-2023-45230
cve-2023-45234

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

Low

EPSS

0.001

Percentile

20.1%

EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.

Security Fix(es):

  • edk2: Buffer overflow in the DHCPv6 client via a long Server ID option (CVE-2023-45230)
  • edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (CVE-2023-45234)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

Low

EPSS

0.001

Percentile

20.1%