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CVE-2023-45233

Publication date 16 January 2024

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

Read the notes from the security team

Status

Package Ubuntu Release Status
edk2 24.04 LTS noble
Not affected
23.10 mantic
Fixed 2023.05-2ubuntu0.1
23.04 lunar Ignored
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

Notes

eslerm

shares fixes with CVE-2023-45232 "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 7ec488242f6 and d925ff1f00e

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H