CVE-2023-45234
Published: 16 January 2024
EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
Notes
| Author | Note |
|---|---|
| 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 813bfde4aa9 and 688eb3679f7 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
edk2 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| focal |
Released
(0~20191122.bd85bf54-2ubuntu3.5)
|
|
| jammy |
Released
(2022.02-3ubuntu0.22.04.2)
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Released
(2023.05-2ubuntu0.1)
|
|
| noble |
Not vulnerable
(2023.11-6)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.3 |
| Attack vector | Adjacent |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | Low |
| Availability impact | High |
| Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H |
References
- https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html
- https://www.openwall.com/lists/oss-security/2024/01/16/2
- https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
- https://ubuntu.com/security/notices/USN-6638-1
- https://www.cve.org/CVERecord?id=CVE-2023-45234
- NVD
- Launchpad
- Debian