CPU hardware utilizing speculative execution may be vulnerable to cache side-channel attacks

Overview CPU hardware utilizing speculative execution may be vulnerable to cache timing side-channel analysis. Two vulnerabilities are identified, known as "Variant 3a" and "Variant 4". Description Speculative execution is a technique used by many modern processors to improve performance by...

KLA11253 Microsoft Advisory for Microsoft Windows

On January 3, 2018, Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities known as Spectre and Meltdown involving speculative execution side channels that affect AMD, ARM, and Intel CPUs to varying degrees. On May 21st, a new subclass ...

hw: cpu: speculative execution permission faults handling

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

8 New Spectre-Class Vulnerabilities (Spectre-NG) Found in Intel CPUs

A team of security researchers has reportedly discovered a total of eight new "Spectre-class" vulnerabilities in Intel CPUs, which also affect at least a small number of ARM processors and may impact AMD processor architecture as well. Dubbed Spectre-Next Generation, or Spectre-NG, the partial...

HPSBHF03584 rev. 8 - Derivative Side-Channel Analysis Method

Potential Security Impact Unauthorized exposure of privileged data from memory. Source: HP, HP Product Security Response Team PSRT Reported By: CVE-2018-3639: Google Project Zero GPZ Microsoft Security Response Center MSRC CVE-2018-3640: Researchers from SYSGO AG and BiZone LLC VULNERABILITY...

PT-2018-2484

Name of the Vulnerable Software and Affected Versions Intel and ARM microprocessors affected versions not specified Description The issue is related to the use of speculative execution and reading from memory before the addresses of all prior memory writes are known. This may allow an attacker wi...

PT-2018-2467

Name of the Vulnerable Software and Affected Versions Systems with microprocessors affected versions not specified Description The issue is related to microprocessors utilizing speculative execution and branch prediction, which may allow unauthorized disclosure of information to an attacker with...

Integrated GPUs may allow side-channel and rowhammer attacks using WebGL ("Glitch")

Overview Some platforms with integrated GPUs, such as smartphones, may allow both side-channel and rowhammer attacks via WebGL, which may allow a remote attacker to compromise the browser on an affected platform. An attack technique that leverages these vulnerabilities is called "GLitch."...

Amazon Linux 2 : openssl (ALAS-2018-1004)

bnsqrx8xinternal carry bug on x8664 There is a carry propagating bug in the x8664 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to...

Microsoft Issues More Spectre Updates For Intel CPUs

Microsoft has released additional Windows 10 mitigations for the Spectre side-channel flaw revealed in January, with an expanded lineup of firmware microcode updates for Intel CPUs that include the Broadwell and Haswell chipsets. The company released two Windows Update packages addressing Spectre...

hw: cpu: speculative execution branch target injection

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

Amazon Linux AMI : openssl (ALAS-2018-1000)

RSA key generation cache timing vulnerability in crypto/rsa/rsagen.c allows attackers to recover private keys : OpenSSL RSA key generation was found to be vulnerable to cache side-channel attacks. An attacker with sufficient access to mount cache timing attacks during the RSA key generation proce...

Low: openssl

Issue Overview: RSA key generation cache timing vulnerability in crypto/rsa/rsagen.c allows attackers to recover private keys: OpenSSL RSA key generation was found to be vulnerable to cache side-channel attacks. An attacker with sufficient access to mount cache timing attacks during the RSA key...

Amazon Linux 2 : qemu-kvm (ALAS-2018-942) (Spectre)

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

Amazon Linux 2 : libvirt (ALAS-2018-952) (Spectre)

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

Amazon Linux 2 : linux-firmware (ALAS-2018-962) (Spectre)

Speculative execution branch target injection An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the...

hw: cpu: speculative execution permission faults handling

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

hw: cpu: speculative execution branch target injection

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

CVE-2018-0737

OpenSSL RSA key generation was found to be vulnerable to cache side-channel attacks. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover parts of the private key...

OpenSSL Cache Timing Side Channel Attack Vulnerability

OpenSSL is an open source capable of implementing the Secure Sockets Layer SSL v2/v3 and Secure Transport Layer TLS v1 protocols developed by the OpenSSL team as a general-purpose cryptographic library that supports a wide range of cryptographic algorithms including symmetric ciphers, hash...