CVE-2023-2002 Missing authorization in Kernel
Missing capability check in Linux Kernel HCI sockets allows attackers to execute unauthorized Bluetooth management commands, compromising system security.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-2002?
CVE-2023-2002 is a medium-severity missing authorization vulnerability in Debian Debian Linux, published on 26 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was found in the HCI sockets implementation due to a missing capability check in net/bluetooth/hci_sock.c in the Linux Kernel. This flaw allows an attacker to unauthorized execution of management commands, compromising the confidentiality, integrity, and availability of Bluetooth communication.
Which versions are affected by CVE-2023-2002?
It affects 2 products.
Linux distribution packages (18)
bpftool Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-abi-whitelists Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-debug Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-debug-debuginfo Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-debug-devel Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-debuginfo Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-debuginfo-common-x86_64 Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-devel Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-doc Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-tools Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-tools-debuginfo Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-tools-libs Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
kernel-tools-libs-devel Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
perf Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
perf-debuginfo Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
python-perf Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
python-perf-debuginfo Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 |
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2023-2002?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-2002 being exploited?
There is no known exploitation of CVE-2023-2002 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-27078, DEBIAN-CVE-2023-2002, GHSA-vp9w-43wr-g8fj, RHSA-2024:4098, UBUNTU-CVE-2023-2002.