Amazon Linux 2 Security Advisory: ALAS-2018-1076
Advisory Release Date: 2018-09-12 22:22 Pacific
Advisory Updated Date: 2018-09-15 03:54 Pacific
Severity:
Low
Issue Overview:
Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malicious entity to change the SELinux context of an arbitrary file to a context with few restrictions. This only happens when the relabeling process is done, usually when taking SELinux state from disabled to enable (permissive or enforcing).(CVE-2018-1063)
Affected Packages:
policycoreutils
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update policycoreutils to update your system.
New Packages:
i686:
policycoreutils-2.5-22.amzn2.i686
policycoreutils-debuginfo-2.5-22.amzn2.i686
policycoreutils-python-2.5-22.amzn2.i686
policycoreutils-devel-2.5-22.amzn2.i686
policycoreutils-sandbox-2.5-22.amzn2.i686
policycoreutils-newrole-2.5-22.amzn2.i686
policycoreutils-gui-2.5-22.amzn2.i686
policycoreutils-restorecond-2.5-22.amzn2.i686
src:
policycoreutils-2.5-22.amzn2.src
x86_64:
policycoreutils-2.5-22.amzn2.x86_64
policycoreutils-debuginfo-2.5-22.amzn2.x86_64
policycoreutils-python-2.5-22.amzn2.x86_64
policycoreutils-devel-2.5-22.amzn2.x86_64
policycoreutils-sandbox-2.5-22.amzn2.x86_64
policycoreutils-newrole-2.5-22.amzn2.x86_64
policycoreutils-gui-2.5-22.amzn2.x86_64
policycoreutils-restorecond-2.5-22.amzn2.x86_64