CVE-2023-48733
6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. This allows an OS-resident attacker to bypass Secure Boot.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Canonical Ltd. | Ubuntu EDK II | 0 < 2023.05-2ubuntu0.1 | affected |
Weaknesses
ADP Enrichment
CVE Program Container
Additional References
- https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137
- https://nvd.nist.gov/vuln/detail/CVE-2023-48733
- https://www.openwall.com/lists/oss-security/2024/02/14/4
- https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139
- https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: total
References
- https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137
- https://nvd.nist.gov/vuln/detail/CVE-2023-48733
- https://www.openwall.com/lists/oss-security/2024/02/14/4
- https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139
- https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html
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