Gentoo: GLSA-202011-03: KPMCore: Root privilege escalation
Summary
Improper checks on the D-Bus request received resulted in improper protection for /etc/fstab.
Resolution
All KPMCore users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-libs/kpmcore-4.2.0"
References
[ 1 ] CVE-2020-27187 https://nvd.nist.gov/vuln/detail/CVE-2020-27187 [ 2 ] Upstream advisory https://mail.kde.org/pipermail/kde-announce/2020-October/000124.html
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202011-03
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.
Background
KPMcore, the KDE Partition Manager core, is a library for examining and modifying partitions, disk devices, and filesystems on a Linux system. It provides a unified programming interface over top of (external) system-manipulation tools.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-libs/kpmcore < 4.2.0 >= 4.2.0
Impact
===== An attacker could esclate privileges to root by exploiting this vulnerability.
Workaround
There is no known workaround at this time.