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Red Hat 7: RHSA-2018-3107-01 Moderate: wpa_supplicant Security Update

red hat
Calendar Grey October 30, 2018
Dist Redhat Esm H88
Fedora has issued an important patch for NetworkManager to rectify vulnerabilities and improve system stability.
An update for wpa_supplicant 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 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.

Topics%20covered

Topics Covered

security advisory security update Red Hat bug fix moderate severity wpa_supplicant unauthenticated decryption

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

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:

Read the Full Advisory


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

Topic

An update for wpa_supplicant is now available for Red Hat Enterprise Linux7.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 security update Red Hat bug fix moderate severity wpa_supplicant unauthenticated decryption

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

Bugs Fixed

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

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