Out-of-bounds Read in Openrazer
CVE-2022-23467
OpenRazer is an open source driver and user-space daemon to control Razer device lighting and other features on GNU/Linux. Using a modified USB device an attacker can leak stack addresses of the `razer_attr_read_dpi_stages`, potentially bypassing KASLR. To exploit this vulnerability an attacker would need to access to a users keyboard or mouse or would need to convince a user to use a modified device. The issue has been patched in v3.5.1. Users are advised to upgrade and should be reminded not to plug in unknown USB devices.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (27.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L.
Affected products
- Openrazer — versions < 3.5.1
- Openrazer_project Openrazer
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-23467?
- CVE-2022-23467 is a medium-severity vulnerability in Openrazer, classified under Out-of-bounds Read. CVSS score: 4.4/10. Published 2022-12-05.
- How severe is CVE-2022-23467?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2022-23467 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.