Vulnerability · Published Oct 9, 2022 · Assigned by mitre
CVE-2022-42012
Medium 6.5
In plain English
A medium-severity improper input validation in the dbus package (AlmaLinux). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.8%top 21.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and 1.15.x before 1.15.2. An authenticated attacker can cause dbus-daemon and other programs that use libdbus to crash by sending a message with attached file descriptors in an unexpected format.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | dbus | 1:1.12.8-23.el8_7.1 | ALSA-2023:0096 |
| AlmaLinux:9 | dbus | 1:1.12.20-7.el9_1 | ALSA-2023:0335 |
| AlmaLinux:8 | dbus-common | 1:1.12.8-23.el8_7.1 | ALSA-2023:0096 |
| AlmaLinux:9 | dbus-common | 1:1.12.20-7.el9_1 | ALSA-2023:0335 |
| AlmaLinux:8 | dbus-daemon | 1:1.12.8-23.el8_7.1 | ALSA-2023:0096 |
| AlmaLinux:9 | dbus-daemon | 1:1.12.20-7.el9_1 | ALSA-2023:0335 |
| AlmaLinux:8 | dbus-devel | 1:1.12.8-23.el8_7.1 | ALSA-2023:0096 |
| AlmaLinux:9 | dbus-devel | 1:1.12.20-7.el9_1 | ALSA-2023:0335 |
| AlmaLinux:8 | dbus-libs | 1:1.12.8-23.el8_7.1 | ALSA-2023:0096 |
| AlmaLinux:9 | dbus-libs | 1:1.12.20-7.el9_1 | ALSA-2023:0335 |
| AlmaLinux:8 | dbus-tools | 1:1.12.8-23.el8_7.1 | ALSA-2023:0096 |
| AlmaLinux:9 | dbus-tools | 1:1.12.20-7.el9_1 | ALSA-2023:0335 |
| AlmaLinux:8 | dbus-x11 | 1:1.12.8-23.el8_7.1 | ALSA-2023:0096 |
| AlmaLinux:9 | dbus-x11 | 1:1.12.20-7.el9_1 | ALSA-2023:0335 |
| Alpine:v3.20 | dbus | 1.14.4-r0 | ALPINE-CVE-2022-42012 |
| Alpine:v3.21 | dbus | 1.14.4-r0 | ALPINE-CVE-2022-42012 |
| Alpine:v3.22 | dbus | 1.14.4-r0 | ALPINE-CVE-2022-42012 |
| Alpine:v3.23 | dbus | 1.14.4-r0 | ALPINE-CVE-2022-42012 |
| Alpine:v3.24 | dbus | 1.14.4-r0 | ALPINE-CVE-2022-42012 |
| Debian:12 | dbus | 1.14.4-1 | DEBIAN-CVE-2022-42012 |
| Debian:13 | dbus | 1.14.4-1 | DEBIAN-CVE-2022-42012 |
| Debian:14 | dbus | 1.14.4-1 | DEBIAN-CVE-2022-42012 |
| Rocky Linux:8 | dbus | 1:1.12.8-23.el8_7.1 | RLSA-2023:0096 |
| Rocky Linux:9 | dbus | 1:1.12.20-7.el9_1 | RLSA-2023:0335 |
| Ubuntu:22.04:LTS | dbus | 1.12.20-2ubuntu4.1 | USN-5704-1 |
| Ubuntu:22.04:LTS | dbus | 1.12.20-2ubuntu4.1 | UBUNTU-CVE-2022-42012 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- https://gitlab.freedesktop.org/dbus/dbus/-/issues/417
- https://www.openwall.com/lists/oss-security/2022/10/06/1
- FEDORA-2022-076544c8aa vendor-advisory
- FEDORA-2022-7a963a79d1 vendor-advisory
- FEDORA-2022-b0c2f2ab74 vendor-advisory
- GLSA-202305-08 vendor-advisory