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AUSCERT External Security Bulletin Redistribution
ESB-2018.3316
SUSE Security Update: Security update for wpa_supplicant
29 October 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: wpa_supplicant
Publisher: SUSE
Operating System: SUSE
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-14526
Reference: ESB-2018.2498
ESB-2018.2442
ESB-2018.2350
Original Bulletin:
https://www.suse.com/ja-jp/support/update/announcement/2018/suse-su-20183480-1/
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SUSE Security Update: Security update for wpa_supplicant
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:3480-1
Rating: moderate
References: #1080798 #1098854 #1099835 #1104205 #1109209
#1111873
Cross-References: CVE-2018-14526
Affected Products:
SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________
An update that solves one vulnerability and has 5 fixes is
now available.
Description:
This update for wpa_supplicant provides the following fixes:
This security issues was fixe:
- CVE-2018-14526: Under certain conditions, the integrity of EAPOL-Key
messages was not checked, leading to a decryption oracle. An attacker
within range of the Access Point and client could have abused the
vulnerability to recover sensitive information (bsc#1104205)
These non-security issues were fixed:
- Fix reading private key passwords from the configuration file.
(bsc#1099835)
- Enable PWD as EAP method. This allows for password-based authentication,
which is easier to setup than most of the other methods, and is used by
the Eduroam network. (bsc#1109209)
- compile eapol_test binary to allow testing via radius proxy and server
(note: this does not match CONFIG_EAPOL_TEST which sets -Werror and
activates an assert call inside the code of wpa_supplicant)
(bsc#1111873), (fate#326725)
- Enabled timestamps in log file when being invoked by systemd service
file (bsc#1080798).
- Fixes the default file permissions of the debug log file to more sane
values, i.e. it is no longer world-readable (bsc#1098854).
- Open the debug log file with O_CLOEXEC, which will prevent file
descriptor leaking to child processes (bsc#1098854).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Module for Basesystem 15:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2484=1
Package List:
- SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
wpa_supplicant-2.6-4.11.1
wpa_supplicant-debuginfo-2.6-4.11.1
wpa_supplicant-debugsource-2.6-4.11.1
References:
https://www.suse.com/security/cve/CVE-2018-14526.html
https://bugzilla.suse.com/1080798
https://bugzilla.suse.com/1098854
https://bugzilla.suse.com/1099835
https://bugzilla.suse.com/1104205
https://bugzilla.suse.com/1109209
https://bugzilla.suse.com/1111873
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===========================================================================
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