SB2023042410 - Privilege escalation in Dmidecode
Published: April 24, 2023
Security Bulletin ID
SB2023042410
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-30630)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions when executing the command with the "--dump-bin" option. A local user can overwrite arbitrary files on the system and escalate privileges.
Remediation
Install update from vendor's website.
References
- https://lists.nongnu.org/archive/html/dmidecode-devel/2023-03/msg00003.html
- https://github.com/adamreiser/dmiwrite
- https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=6ca381c1247c81f74e1ca4e7706f70bdda72e6f2
- https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=d8cfbc808f387e87091c25e7d5b8c2bb348bb206