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CVE-2023-45231

Publication date 16 January 2024

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

Read the notes from the security team

Status

Package Ubuntu Release Status
edk2 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Fixed 2023.05-2ubuntu0.1
23.04 lunar Ignored end of life, was needs-triage
22.04 LTS jammy
Fixed 2022.02-3ubuntu0.22.04.2
20.04 LTS focal
Fixed 0~20191122.bd85bf54-2ubuntu3.5
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of standard support

Notes

eslerm

"exposure is limited to PXE boot or HTTP boot" patchset available in bug 4518, but not in repo (until Feb-24) fix and unit test commit id likely d74c1be05f4 and 2f237a59ec4

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N