CVE-2023-0045

Contornando Mitigações de Espaço do Usuário do Spectre-BTI no Linux Este é um documento de trabalho, por favor envie-nos feedback se achar que algo está errado ou se perdemos alguma citação Versão 1.0 José Oliveira esoj Rodrigo Branco BSDaemon Introdução Ao testar a taxa de sucesso de ataques...

Jump-over-ASLR-BTB

Branch-Prädiktoren & ASLR Autor: Byte Reaper Beschreibung Dieses Repository enthält eine C-Implementierung für Forschungszwecke, die Konzepte im Zusammenhang mit Branch-Prädiktoren, spekulativer Ausführung und Cache-basierten Seitenkanälen im Kontext der Address-Space-Layout-Randomization ASLR...

Astra Linux – Vulnerability in Linux 5.10, Linux

The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ibprctlset function updates the Thread Information Flags TIFs for the task and updates the SPECCTRL MSR in the function speculationctrlupdate, but the IBPB is only issued at the next schedul...

microcode_ctl: From CVEorg collector

New Spectre-v2 attack classes have been discovered within CPU architectures that enable self-training exploitation of speculative execution within the same privilege domain. These novel techniques bypass existing hardware and software mitigations, including IBPB, eIBRS, and BHINO, by leveraging...

microcode_ctl: From CVEorg collector

New Spectre-v2 attack classes have been discovered within CPU architectures that enable self-training exploitation of speculative execution within the same privilege domain. These novel techniques bypass existing hardware and software mitigations, including IBPB, eIBRS, and BHINO, by leveraging...

New Intel CPU Vulnerability 'Indirector' Exposes Sensitive Data

Modern CPUs from Intel, including Raptor Lake and Alder Lake, have been found vulnerable to a new side-channel attack that could be exploited to leak sensitive information from the processors. The attack, codenamed Indirector by security researchers Luyi Li, Hosein Yavarzadeh, and Dean Tullsen,...

DEBIAN-CVE-2023-0045

The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ibprctlset function updates the Thread Information Flags TIFs for the task and updates the SPECCTRL MSR on the function speculationctrlupdate, but the IBPB is only issued on the next...

Exploit for Externally Controlled Reference to a Resource in Another Sphere in Linux Linux_Kernel

Bypassing Spectre-BTI User Space Mitigations on Linux Th...

F5 Networks BIG-IP : Side-channel processor vulnerabilities (K91229003)

The following three side-channel attacks were publicly disclosed on January 3, 2018 : CVE-2017-5715 Spectre-BTB previously known as Spectre Variant 2 Branch target injection Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosu...

Bypassing ASLR in 60 Milliseconds

Address Space Layout Randomization was a champion hardening technology introduced in most major desktop and mobile operating systems as a mitigation against memory-based code-execution attacks. Bypassing ASLR, however, has become somewhat of a parlor game for attackers and white-hat researchers,...