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Red Hat Enterprise Linux 7: RHSA-2020-4001-01 Moderate: Bluez DoS

red hat
Calendar Grey September 29, 2020
Dist Redhat Esm H88
Uncover a measured bluez security patch for Red Hat Enterprise Linux, tackling privilege escalation and denial of service vulnerabilities.
An update for bluez is now available for Red Hat Enterprise Linux 7

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

Summary

The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts (Red Hat), and pcmcia configuration files.
Security Fix(es):
* bluez: Improper access control in subsystem could result in privilege escalation and DoS (CVE-2020-0556)
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 7.9 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate access control DoS Red Hat Enterprise Linux bluez

References

https://access.redhat.com/security/cve/CVE-2020-0556 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: bluez-5.44-7.el7.src.rpm
x86_64: bluez-5.44-7.el7.x86_64.rpm bluez-debuginfo-5.44-7.el7.i686.rpm bluez-debuginfo-5.44-7.el7.x86_64.rpm bluez-libs-5.44-7.el7.i686.rpm bluez-libs-5.44-7.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: bluez-cups-5.44-7.el7.x86_64.rpm bluez-debuginfo-5.44-7.el7.i686.rpm bluez-debuginfo-5.44-7.el7.x86_64.rpm bluez-hid2hci-5.44-7.el7.x86_64.rpm bluez-libs-devel-5.44-7.el7.i686.rpm bluez-libs-devel-5.44-7.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: bluez-5.44-7.el7.src.rpm
x86_64: bluez-debuginfo-5.44-7.el7.i686.rpm bluez-debuginfo-5.44-7.el7.x86_64.rpm bluez-libs-5.44-7.el7.i686.rpm bluez-libs-5.44-7.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: bluez-5.44-7.el7.x86_64.rpm bluez-cups-5.44-7.el7.x86_64.rpm bluez-debuginfo-5.44-7.el7.i686.rpm bluez-debuginfo-5.44-7.el7.x86_64.rpm bluez-hid2hci-5.44-7.el7.x86_64.rpm bluez-libs-devel-5.44-7.el7.i686.rpm bluez-libs-devel-5.44-7.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: bluez-5.44-7.el7.src.rpm
ppc64: bluez-5.44-7.el7.ppc64.rpm bluez-debuginfo-5.44-7.el7.ppc.rpm bluez-debuginfo-5.44-7.el7.ppc64.rpm bluez-libs-5.44-7.el7.ppc.rpm bluez-libs-5.44-7.el7.ppc64.rpm


Read the Full Advisory


Advisory ID: RHSA-2020:4001-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4001
Issue date: 2020-09-29

Topic

An update for bluez 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.

Topics%20covered

Topics Covered

security advisory moderate access control DoS Red Hat Enterprise Linux bluez

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1814293 - CVE-2020-0556 bluez: Improper access control in subsystem could result in privilege escalation and DoS

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