Critical Privilege Escalation Vulnerability in Dmidecode - GLSA 202407-26
Summary
Dmidecode -dump-bin can overwrite a local file. This has security
relevance because, for example, execution of Dmidecode via sudo is
plausible.
Resolution
All Dmidecode users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/dmidecode-3.5"
References
[ 1 ] CVE-2023-30630
https://nvd.nist.gov/vuln/detail/CVE-2023-30630
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202407-26
Concerns
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
Synopsis
A vulnerability has been discovered in Dmidecode, which can lead to
privilege escalation.
Background
Dmidecode reports information about your system's hardware as described
in your system BIOS according to the SMBIOS/DMI standard (see a sample
output). This information typically includes system manufacturer, model
name, serial number, BIOS version, asset tag as well as a lot of other
details of varying level of interest and reliability depending on the
manufacturer. This will often include usage status for the CPU sockets,
expansion slots (e.g. AGP, PCI, ISA) and memory module slots, and the
list of I/O ports (e.g. serial, parallel, USB).
Affected Packages
Package Vulnerable Unaffected
------------------ ------------ ------------
sys-apps/dmidecode < 3.5 >= 3.5
Impact
Please review the referenced CVE identifier for details.
Workaround
There is no known workaround at this time.
