SUSE SLES12 Security Update : wpa_supplicant (SUSE-SU-2020:3424-1) (KRACK)

high Nessus Plugin ID 143704

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for wpa_supplicant fixes the following issues :

wpa_supplicant was updated to 2.9 release :

- SAE changes

- disable use of groups using Brainpool curves

- improved protection against side channel attacks [https://w1.fi/security/2019-6/]

- EAP-pwd changes

- disable use of groups using Brainpool curves

- allow the set of groups to be configured (eap_pwd_groups)

- improved protection against side channel attacks [https://w1.fi/security/2019-6/]

- fixed FT-EAP initial mobility domain association using PMKSA caching (disabled by default for backwards compatibility; can be enabled with ft_eap_pmksa_caching=1)

- fixed a regression in OpenSSL 1.1+ engine loading

- added validation of RSNE in (Re)Association Response frames

- fixed DPP bootstrapping URI parser of channel list

- extended EAP-SIM/AKA fast re-authentication to allow use with FILS

- extended ca_cert_blob to support PEM format

- improved robustness of P2P Action frame scheduling

- added support for EAP-SIM/AKA using anonymous@realm identity

- fixed Hotspot 2.0 credential selection based on roaming consortium to ignore credentials without a specific EAP method

- added experimental support for EAP-TEAP peer (RFC 7170)

- added experimental support for EAP-TLS peer with TLS v1.3

- fixed a regression in WMM parameter configuration for a TDLS peer

- fixed a regression in operation with drivers that offload 802.1X 4-way handshake

- fixed an ECDH operation corner case with OpenSSL

- SAE changes

- added support for SAE Password Identifier

- changed default configuration to enable only groups 19, 20, 21 (i.e., disable groups 25 and 26) and disable all unsuitable groups completely based on REVmd changes

- do not regenerate PWE unnecessarily when the AP uses the anti-clogging token mechanisms

- fixed some association cases where both SAE and FT-SAE were enabled on both the station and the selected AP

- started to prefer FT-SAE over SAE AKM if both are enabled

- started to prefer FT-SAE over FT-PSK if both are enabled

- fixed FT-SAE when SAE PMKSA caching is used

- reject use of unsuitable groups based on new implementation guidance in REVmd (allow only FFC groups with prime >= 3072 bits and ECC groups with prime >= 256)

- minimize timing and memory use differences in PWE derivation [https://w1.fi/security/2019-1/] (CVE-2019-9494, bsc#1131868)

- EAP-pwd changes

- minimize timing and memory use differences in PWE derivation [https://w1.fi/security/2019-2/] (CVE-2019-9495, bsc#1131870)

- verify server scalar/element [https://w1.fi/security/2019-4/] (CVE-2019-9497, CVE-2019-9498, CVE-2019-9499, bsc#1131874, bsc#1131872, bsc#1131871, bsc#1131644)

- fix message reassembly issue with unexpected fragment [https://w1.fi/security/2019-5/] (CVE-2019-11555, bsc#1133640)

- enforce rand,mask generation rules more strictly

- fix a memory leak in PWE derivation

- disallow ECC groups with a prime under 256 bits (groups 25, 26, and 27)

- SAE/EAP-pwd side-channel attack update [https://w1.fi/security/2019-6/] (CVE-2019-13377, bsc#1144443)

- fixed CONFIG_IEEE80211R=y (FT) build without CONFIG_FILS=y

- Hotspot 2.0 changes

- do not indicate release number that is higher than the one AP supports

- added support for release number 3

- enable PMF automatically for network profiles created from credentials

- fixed OWE network profile saving

- fixed DPP network profile saving

- added support for RSN operating channel validation (CONFIG_OCV=y and network profile parameter ocv=1)

- added Multi-AP backhaul STA support

- fixed build with LibreSSL

- number of MKA/MACsec fixes and extensions

- extended domain_match and domain_suffix_match to allow list of values

- fixed dNSName matching in domain_match and domain_suffix_match when using wolfSSL

- started to prefer FT-EAP-SHA384 over WPA-EAP-SUITE-B-192 AKM if both are enabled

- extended nl80211 Connect and external authentication to support SAE, FT-SAE, FT-EAP-SHA384

- fixed KEK2 derivation for FILS+FT

- extended client_cert file to allow loading of a chain of PEM encoded certificates

- extended beacon reporting functionality

- extended D-Bus interface with number of new properties

- fixed a regression in FT-over-DS with mac80211-based drivers

- OpenSSL: allow systemwide policies to be overridden

- extended driver flags indication for separate 802.1X and PSK 4-way handshake offload capability

- added support for random P2P Device/Interface Address use

- extended PEAP to derive EMSK to enable use with ERP/FILS

- extended WPS to allow SAE configuration to be added automatically for PSK (wps_cred_add_sae=1)

- removed support for the old D-Bus interface (CONFIG_CTRL_IFACE_DBUS)

- extended domain_match and domain_suffix_match to allow list of values

- added a RSN workaround for misbehaving PMF APs that advertise IGTK/BIP KeyID using incorrect byte order

- fixed PTK rekeying with FILS and FT

- fixed WPA packet number reuse with replayed messages and key reinstallation [https://w1.fi/security/2017-1/] (CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088)

- fixed unauthenticated EAPOL-Key decryption in wpa_supplicant [https://w1.fi/security/2018-1/] (CVE-2018-14526)

- added support for FILS (IEEE 802.11ai) shared key authentication

- added support for OWE (Opportunistic Wireless Encryption, RFC 8110; and transition mode defined by WFA)

- added support for DPP (Wi-Fi Device Provisioning Protocol)

- added support for RSA 3k key case with Suite B 192-bit level

- fixed Suite B PMKSA caching not to update PMKID during each 4-way handshake

- fixed EAP-pwd pre-processing with PasswordHashHash

- added EAP-pwd client support for salted passwords

- fixed a regression in TDLS prohibited bit validation

- started to use estimated throughput to avoid undesired signal strength based roaming decision

- MACsec/MKA :

- new macsec_linux driver interface support for the Linux kernel macsec module

- number of fixes and extensions

- added support for external persistent storage of PMKSA cache (PMKSA_GET/PMKSA_ADD control interface commands;
and MESH_PMKSA_GET/MESH_PMKSA_SET for the mesh case)

- fixed mesh channel configuration pri/sec switch case

- added support for beacon report

- large number of other fixes, cleanup, and extensions

- added support for randomizing local address for GAS queries (gas_rand_mac_addr parameter)

- fixed EAP-SIM/AKA/AKA' ext auth cases within TLS tunnel

- added option for using random WPS UUID (auto_uuid=1)

- added SHA256-hash support for OCSP certificate matching

- fixed EAP-AKA' to add AT_KDF into Synchronization-Failure

- fixed a regression in RSN pre-authentication candidate selection

- added option to configure allowed group management cipher suites (group_mgmt network profile parameter)

- removed all PeerKey functionality

- fixed nl80211 AP and mesh mode configuration regression with Linux 4.15 and newer

- added ap_isolate configuration option for AP mode

- added support for nl80211 to offload 4-way handshake into the driver

- added support for using wolfSSL cryptographic library

- SAE

- added support for configuring SAE password separately of the WPA2 PSK/passphrase

- fixed PTK and EAPOL-Key integrity and key-wrap algorithm selection for SAE; note: this is not backwards compatible, i.e., both the AP and station side implementations will need to be update at the same time to maintain interoperability

- added support for Password Identifier

- fixed FT-SAE PMKID matching

- Hotspot 2.0

- added support for fetching of Operator Icon Metadata ANQP-element

- added support for Roaming Consortium Selection element

- added support for Terms and Conditions

- added support for OSEN connection in a shared RSN BSS

- added support for fetching Venue URL information

- added support for using OpenSSL 1.1.1

- FT

- disabled PMKSA caching with FT since it is not fully functional

- added support for SHA384 based AKM

- added support for BIP ciphers BIP-CMAC-256, BIP-GMAC-128, BIP-GMAC-256 in addition to previously supported BIP-CMAC-128

- fixed additional IE inclusion in Reassociation Request frame when using FT protocol

Limit P2P_DEVICE name to appropriate ifname size.

Enable SAE support(jsc#SLE-14992).

CVE-2019-16275: AP mode PMF disconnection protection bypass (bsc#1150934)

Fix wicked wlan (bsc#1156920)

Still include fi.epitest.hostap.WPASupplicant.service (bsc#1167331)

Change wpa_supplicant.service to ensure wpa_supplicant gets started before network. Fix WLAN config on boot with wicked. (bsc#1166933)

Adjust the service to start after network.target wrt bsc#1165266

Using O_WRONLY flag [http://w1.fi/security/2015-5/] (CVE-2015-8041)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

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 Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-3424=1

Plugin Details

Severity: High

ID: 143704

File Name: suse_SU-2020-3424-1.nasl

Version: 1.3

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 12/9/2020

Updated: 2/6/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-9499

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:wpa_supplicant, p-cpe:/a:novell:suse_linux:wpa_supplicant-debuginfo, p-cpe:/a:novell:suse_linux:wpa_supplicant-debugsource, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/19/2020

Vulnerability Publication Date: 11/9/2015

Reference Information

CVE: CVE-2015-8041, CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088, CVE-2018-14526, CVE-2019-11555, CVE-2019-13377, CVE-2019-16275, CVE-2019-9494, CVE-2019-9495, CVE-2019-9497, CVE-2019-9498, CVE-2019-9499

Detections

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