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AUSCERT External Security Bulletin Redistribution
ESB-2018.3375
Moderate: wpa_supplicant security and bug fix update
31 October 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: wpa_supplicant
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-14526
Reference: ESB-2018.3316
ESB-2018.2498
ESB-2018.2442
Original Bulletin:
https://access.redhat.com/errata/RHSA-2018:3107
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Red Hat Security Advisory
Synopsis: Moderate: wpa_supplicant security and bug fix update
Advisory ID: RHSA-2018:3107-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3107
Issue date: 2018-10-30
CVE Names: CVE-2018-14526
=====================================================================
1. Summary:
An update for wpa_supplicant is now available for Red Hat Enterprise Linux
7.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
3. Description:
The wpa_supplicant packages contain an 802.1X Supplicant with support for
WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication
methods. They implement key negotiation with a WPA Authenticator for client
stations and controls the roaming and IEEE 802.11 authentication and
association of the WLAN driver.
Security Fix(es):
* wpa_supplicant: Unauthenticated EAPOL-Key decryption in wpa_supplicant
(CVE-2018-14526)
For more details about the security issue(s), including the impact, a CVSS
score, 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 7.6 Release Notes linked from the References section.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
1434434 - wpa_supplicant is responding to packets which are not destined for it.
1490885 - NetworkManager's mac randomization can lead into MSK mismatch with hostapd and 802.1x
1614520 - CVE-2018-14526 wpa_supplicant: Unauthenticated EAPOL-Key decryption in wpa_supplicant
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
wpa_supplicant-2.6-12.el7.src.rpm
x86_64:
wpa_supplicant-2.6-12.el7.x86_64.rpm
wpa_supplicant-debuginfo-2.6-12.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
wpa_supplicant-2.6-12.el7.src.rpm
x86_64:
wpa_supplicant-2.6-12.el7.x86_64.rpm
wpa_supplicant-debuginfo-2.6-12.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
wpa_supplicant-2.6-12.el7.src.rpm
ppc64:
wpa_supplicant-2.6-12.el7.ppc64.rpm
wpa_supplicant-debuginfo-2.6-12.el7.ppc64.rpm
ppc64le:
wpa_supplicant-2.6-12.el7.ppc64le.rpm
wpa_supplicant-debuginfo-2.6-12.el7.ppc64le.rpm
s390x:
wpa_supplicant-2.6-12.el7.s390x.rpm
wpa_supplicant-debuginfo-2.6-12.el7.s390x.rpm
x86_64:
wpa_supplicant-2.6-12.el7.x86_64.rpm
wpa_supplicant-debuginfo-2.6-12.el7.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
wpa_supplicant-2.6-12.el7.src.rpm
aarch64:
wpa_supplicant-2.6-12.el7.aarch64.rpm
wpa_supplicant-debuginfo-2.6-12.el7.aarch64.rpm
ppc64le:
wpa_supplicant-2.6-12.el7.ppc64le.rpm
wpa_supplicant-debuginfo-2.6-12.el7.ppc64le.rpm
s390x:
wpa_supplicant-2.6-12.el7.s390x.rpm
wpa_supplicant-debuginfo-2.6-12.el7.s390x.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
wpa_supplicant-2.6-12.el7.src.rpm
x86_64:
wpa_supplicant-2.6-12.el7.x86_64.rpm
wpa_supplicant-debuginfo-2.6-12.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/
7. References:
https://access.redhat.com/security/cve/CVE-2018-14526
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2018 Red Hat, Inc.
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