RedHat: RHSA-2019-2046:01 Moderate: polkit security and bug fix update
Summary
The polkit packages provide a component for controlling system-wide
privileges. This component provides a uniform and organized way for
non-privileged processes to communicate with privileged ones.
Security Fix(es):
* polkit: Improper handling of user with uid > INT_MAX leading to
authentication bypass (CVE-2018-19788)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.7 Release Notes linked from the References section.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2018-19788 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
polkit-0.112-22.el7.src.rpm
x86_64:
polkit-0.112-22.el7.i686.rpm
polkit-0.112-22.el7.x86_64.rpm
polkit-debuginfo-0.112-22.el7.i686.rpm
polkit-debuginfo-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch:
polkit-docs-0.112-22.el7.noarch.rpm
x86_64:
polkit-debuginfo-0.112-22.el7.i686.rpm
polkit-debuginfo-0.112-22.el7.x86_64.rpm
polkit-devel-0.112-22.el7.i686.rpm
polkit-devel-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
polkit-0.112-22.el7.src.rpm
x86_64:
polkit-0.112-22.el7.i686.rpm
polkit-0.112-22.el7.x86_64.rpm
polkit-debuginfo-0.112-22.el7.i686.rpm
polkit-debuginfo-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch:
polkit-docs-0.112-22.el7.noarch.rpm
x86_64:
polkit-debuginfo-0.112-22.el7.i686.rpm
polkit-debuginfo-0.112-22.el7.x86_64.rpm
polkit-devel-0.112-22.el7.i686.rpm
polkit-devel-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
polkit-0.112-22.el7.src.rpm
noarch:
polkit-docs-0.112-22.el7.noarch.rpm
ppc64:
polkit-0.112-22.el7.ppc.rpm
polkit-0.112-22.el7.ppc64.rpm
polkit-debuginfo-0.112-22.el7.ppc.rpm
polkit-debuginfo-0.112-22.el7.ppc64.rpm
polkit-devel-0.112-22.el7.ppc.rpm
polkit-devel-0.112-22.el7.ppc64.rpm
ppc64le:
polkit-0.112-22.el7.ppc64le.rpm
polkit-debuginfo-0.112-22.el7.ppc64le.rpm
polkit-devel-0.112-22.el7.ppc64le.rpm
s390x:
polkit-0.112-22.el7.s390.rpm
polkit-0.112-22.el7.s390x.rpm
polkit-debuginfo-0.112-22.el7.s390.rpm
polkit-debuginfo-0.112-22.el7.s390x.rpm
polkit-devel-0.112-22.el7.s390.rpm
polkit-devel-0.112-22.el7.s390x.rpm
x86_64:
polkit-0.112-22.el7.i686.rpm
polkit-0.112-22.el7.x86_64.rpm
polkit-debuginfo-0.112-22.el7.i686.rpm
polkit-debuginfo-0.112-22.el7.x86_64.rpm
polkit-devel-0.112-22.el7.i686.rpm
polkit-devel-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
polkit-0.112-22.el7.src.rpm
noarch:
polkit-docs-0.112-22.el7.noarch.rpm
x86_64:
polkit-0.112-22.el7.i686.rpm
polkit-0.112-22.el7.x86_64.rpm
polkit-debuginfo-0.112-22.el7.i686.rpm
polkit-debuginfo-0.112-22.el7.x86_64.rpm
polkit-devel-0.112-22.el7.i686.rpm
polkit-devel-0.112-22.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for polkit is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Bugs Fixed
1655925 - CVE-2018-19788 polkit: Improper handling of user with uid > INT_MAX leading to authentication bypass