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Vulnerability of Intel processors: information disclosure via Foreshadow L1TF SGX

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via L1TF SGX on Intel processeurs, in order to obtain sensitive information.
Impacted products: SNS, Arkoon FAST360, Cisco ASR, Nexus by Cisco, NX-OS, Cisco UCS, Debian, Avamar, NetWorker, Fedora, FortiAnalyzer, FortiGate, FortiManager, FortiOS, HP ProLiant, Windows 10, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 2016, Windows 7, Windows 8, Windows (platform) ~ not comprehensive, Windows RT, SIMATIC, Slackware, Synology DSM, Unix (platform) ~ not comprehensive.
Severity of this bulletin: 2/4.
Creation date: 16/08/2018.
Références of this threat: 528031, ADV180018, CERTFR-2018-AVI-387, CERTFR-2019-AVI-489, cisco-sa-20180814-cpusidechannel, CVE-2018-3615, DLA-1506-1, DSA-2018-217, DSA-2019-030, FEDORA-2020-0ab860bb95, FEDORA-2020-e7f95c4df0, FG-IR-18-002, Foreshadow, HPESBHF03874, INTEL-SA-00161, SSA:2018-240-01, SSA-254686, SSA-608355, STORM-2018-005, Synology-SA-18:45, VIGILANCE-VUL-26997, VU#982149.

Description of the vulnerability 

An attacker can bypass access restrictions to data via L1TF SGX on Intel processors, in order to obtain sensitive information.
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This computer threat note impacts software or systems such as SNS, Arkoon FAST360, Cisco ASR, Nexus by Cisco, NX-OS, Cisco UCS, Debian, Avamar, NetWorker, Fedora, FortiAnalyzer, FortiGate, FortiManager, FortiOS, HP ProLiant, Windows 10, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 2016, Windows 7, Windows 8, Windows (platform) ~ not comprehensive, Windows RT, SIMATIC, Slackware, Synology DSM, Unix (platform) ~ not comprehensive.

Our Vigil@nce team determined that the severity of this weakness alert is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this computer weakness note.

Solutions for this threat 

A10 ACOS: fixed versions for Intel.
Fixed versions are indicated in information sources.

Cisco: solution for Foreshadow L1TF.
The solution is indicated in information sources.

Debian 8: new intel-microcode packages (17/09/2018).
New packages are available:
  Debian 8: intel-microcode 3.20180807a.1~deb8u1

Dell EMC Avamar: solution for Processors.
The solution is indicated in information sources.

EMC Networker vProxy: solution for Multiprocessor Side-Channel Vulnerabilities.
The solution is indicated in information sources.

Fedora: new mbedtls packages.
New packages are available:
  Fedora 30: mbedtls 2.16.5-1.fc30
  Fedora 31: mbedtls 2.16.5-1.fc31

Fortinet: solution for Meltdown/Spectre.
Fixed versions are indicated in information sources.

HPE ProLiant: solution for L1TF.
The solution is indicated in information sources.

SIMATIC: solution for L1TF.
The solution is indicated in information sources.

SIMATIC WinAC RTX F 2010: workaround for Processor.
A workaround is indicated in the information source.

Slackware 14.2: new kernel packages.
New packages are available:
  Slackware 14.2: kernel 4.4.153-i586-1

Stormshield: solution for L1TF.
The solution is indicated in information sources.

Synology DSM: solution for L1TF.
The solution is indicated in information sources.

Windows: solution for L1TF.
The solution is indicated in information sources.
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