A Buffer Buffet for Data Sampling

CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 Yesterday, three data sampling side channel vulnerabilities were disclosed in Intel CPUs by a whole bunch of smart researchers. Intel is calling them “microarchitectural data sampling” …

Apache CARPE DIEM: CVE-2019-0211

Recently, Charles Fol blogged about his privilege escalation bug in Apache, CVE-2019-0211, aka “CARPE DIEM” (seize the 0day, comrades!). This affects Apache HTTP Server versions 2.4.17 through version 2.4.38 (from …

UAFs in Linux Kernel Modules: CVE-2019-8912 & CVE-2019-8956

A researcher using syzkaller found a locally-exploitable bug in Linux’s crypto API, CVE-2019-8912, which allows for a use-after-free in sockfs_setattr. It’s received sudden buzz, probably because a bug in the …

Nested Guests: CVE-2019-7221

Earlier this month, twin KVM bugs found by Google’s Project Zero team were released publicly: CVE-2019-7221, a use-after-free vulnerability, and CVE-2019-7222, a memory leak that can assist exploitation of the …

Dirty Sock: CVE-2019-7304

Today, Chris Moberly blogged about his local privilege escalation bug in Ubuntu Linux, CVE-2019-7304, a.k.a. the “Dirty Sock” exploit (ew). This affects snapd, which is installed on Ubuntu 16.04.4 LTS …

A Brief Review of CVE-2019-5736: runc Container Breakout

A group of researchers yesterday announced CVE-2019-5736, a runc container breakout affecting container tools including Docker, Kubernetes, and containerd. Why it matters: Because many people run containers as “root,” the …