Kernel: page cache side channel attacks

A new software page cache side channel attack scenario was discovered in operating systems that implement the very common 'page cache' caching mechanism. A malicious user/process could use 'in memory' page-cache knowledge to infer access timings to shared memory and gain knowledge which can be us...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2019-13420

Search Guard versions before 21.0 had an timing side channel issue when using the internal user database...

CVE-2019-13420

Search Guard versions before 21.0 had an timing side channel issue when using the internal user database...

Code injection

Search Guard versions before 21.0 had an timing side channel issue when using the internal user database...

CVE-2019-13420

CVE-2019-13420 affects floragunn Search Guard (Elasticsearch/ELK plugin) prior to version 21.0. The vulnerability is a timing side-channel in the internal user database, which could leak information and impact confidentiality. The detail provided specifies the root cause as a timing discrepancy w...

CVE-2019-13420

Search Guard versions before 21.0 had an timing side channel issue when using the internal user database...

openssl security and bug fix update

1.0.2k-19.0.1 - Bump release for rebuild. 1.0.2k-19 - close the RSA decryption 9 lives of Bleichenbacher cat timing side channel 1649568 1.0.2k-18 - fix CVE-2018-0734 - DSA signature local timing side channel - fix CVE-2019-1559 - 0-byte record padding oracle - close the RSA decryption One & done...

CVE-2019-14359

On BC Vault devices, a side channel for the row-based SSD1309 OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able ...

CVE-2019-14359

On BC Vault devices, a side channel for the row-based SSD1309 OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able ...

CVE-2019-14359

CVE-2019-14359 describes a side-channel on BC Vault devices where the power usage per row of the SSD1309 OLED display leaks information about the number of illuminated pixels. The practical impact is limited: an attacker would need control over the device’s USB connection to measure power while s...

NewStart CGSL MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2019-0007)

The remote NewStart CGSL host, running version MAIN 5.04, has kernel packages installed that are affected by multiple vulnerabilities: - It was found that the timer functionality in the Linux kernel ALSA subsystem is prone to a race condition between read and ioctl system call handlers, resulting...

RHEL 7 : openssl (RHSA-2019:2304)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:2304 advisory. OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength...

Debian DLA-1867-1 : wpa security update

Several vulnerabilities were discovered in WPA supplicant / hostapd. Some of them could only partially be mitigated, please read below for details. CVE-2019-9495 Cache-based side-channel attack against the EAP-pwd implementation: an attacker able to run unprivileged code on the target machine...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2019-0078)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel packages installed that are affected by multiple vulnerabilities: - Modern Intel microprocessors implement hardware-level micro-optimizations to improve the performance of writing data back to CPU caches. The write...

Oracle Linux 8 : kernel (ELSA-2019-1167)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-1167 advisory. - arm64 arm64/speculation: Support 'mitigations=' cmdline option Josh Poimboeuf 1698809 1698896 1699001 1690338 1690360 1690351 CVE-2018-12130...

NewStart CGSL MAIN 4.05 : java-1.8.0-openjdk Multiple Vulnerabilities (NS-SA-2019-0137)

The remote NewStart CGSL host, running version MAIN 4.05, has java-1.8.0-openjdk packages installed that are affected by multiple vulnerabilities: - An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions a...

NewStart CGSL CORE 5.04 / MAIN 5.04 : openssl098e Multiple Vulnerabilities (NS-SA-2019-0020)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has openssl098e packages installed that are affected by multiple vulnerabilities: - OpenSSL 0.9.7 before 0.9.7l and 0.9.8 before 0.9.8d allows remote attackers to cause a denial of service infinite loop and memory consumption v...

RHEL 7 : ovmf (RHSA-2019:2125)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2019:2125 advisory. OVMF Open Virtual Machine Firmware is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI...

NewStart CGSL CORE 5.05 / MAIN 5.05 : kernel-rt Multiple Vulnerabilities (NS-SA-2019-0165)

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has kernel-rt packages installed that are affected by multiple vulnerabilities: - Uncacheable memory on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information...