The joy of phishing your employees

Many companies set up phishing test programs for their employees, often as part of a compliance requirement involving ongoing employee education on security topics. The aim of these programs is to train employees on how to spot a malicious link, not click it, and forward it on to the appropriate...

Career Navigator talk for IT Hub College

Last week I gave a "Career Navigator" talk for the students of the IT Hub College in Moscow. By the way, this college has a very interesting practical information security program. If it is relevant for you, check it out. Ive never talked so much about myself in public. It was like giving advises...

Privilege Escalation

github.com/moby/moby is vulnerable to privilege escalation. The vulnerability exists due to insecure permission which allows an attacker to traverse directory contents and execute programs...

Medium: containerd

Issue Overview: A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs. When containers included executable programs with extended...

CVE-2021-41091

Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby Docker Engine where the data directory typically /var/lib/docker contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traver...

CVE-2021-41091

Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby Docker Engine where the data directory typically /var/lib/docker contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traver...

CVE-2021-41091

Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby Docker Engine where the data directory typically /var/lib/docker contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traver...

DEBIAN-CVE-2021-41103

containerd is an open source container runtime with an emphasis on simplicity, robustness and portability. A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory...

CVE-2021-41103

containerd is an open source container runtime with an emphasis on simplicity, robustness and portability. A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory...

CVE-2021-41103

containerd is an open source container runtime with an emphasis on simplicity, robustness and portability. A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory...

CVE-2021-41103

containerd is an open source container runtime with an emphasis on simplicity, robustness and portability. A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory...

containerd 路径遍历漏洞

containerd is a container daemon from the Apache Foundation. This process is responsible for controlling the full cycle of containers on the host according to the RunC OCI specification. A path traversal vulnerability exists in containerd, which stems from insufficiently restricted permissions on...

Mozilla Rust Buffer Overflow Vulnerability (CNVD-2021-85300)

Rust is a general-purpose, compiled programming language from the Mozilla Foundation. Mozilla Rust is vulnerable to a buffer overflow vulnerability that can be exploited by attackers to cause errors in data contention in concurrent programs...

UBUNTU-CVE-2021-38300

arch/mips/net/bpfjit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architectur...

CVE-2021-38300

arch/mips/net/bpfjit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architectur...

Libsixel Stack Buffer Overflow Vulnerability

libsixel is a package that provides encoding/decoding implementations for DEC SIXEL graphics and other converter programs. libsixel suffers from a stack buffer overflow vulnerability, for which no details of the vulnerability are currently available...

Microsoft Says Chinese Hackers Were Behind SolarWinds Serv-U SSH 0-Day Attack

Microsoft has shared technical details about a now-fixed, actively exploited critical security vulnerability affecting SolarWinds Serv-U managed file transfer service that it has attributed with "high confidence" to a threat actor operating out of China. In mid-July, the Texas-based company...

IMChecker

This repository is an offensive tool for API misuse detection. The tool is called IMChecker, and it is designed to automatically detect API misuse in C programs. The tool uses a constraint-directed static analysis technique powered by a domain-specific language DSL for specifying API usage...

Cybersecurity in the Infrastructure Bill

On August 10, 2021, the U.S. Senate passed the Infrastructure Investment and Jobs Act of 2021 H.R.3684. The bill comes in at 2,700+ pages, provides for $1.2T in spending, and includes several cybersecurity items. We expect this legislation to become law around late September and do not expect...

Data races in tiny_future

tinyfuture contains a light-weight implementation of Futures. The Future type it has lacked bound on its Send and Sync traits. This allows for a bug where non-thread safe types such as Cell can be used in Futures and cause data races in concurrent programs. The flaw was corrected in commit c79191...