CVE-2018-17963

A potential integer overflow issue was found in the networking back-end of QEMU. It could occur while receiving packets, because it accepted packets with large size value. Such overflow could lead to OOB buffer access issue. A user inside guest could use this flaw to crash the QEMU process...

CVE-2016-8655

A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets implementation in the Linux kernel networking subsystem handled synchronization while creating the TPACKETV3 ring buffer. A local user able to open a raw packet socket requires the CAPNETRAW...

Tcpdump HNCP parser buffer overflow vulnerability

tcpdump is a message analysis tool. Tcpdump HNCP parser print-hncp.c:printprefix contains a security vulnerability that can be exploited by remote attackers to submit a special request that can crash an application...

How to avoid getting caught in a “Groundhog Day” loop of security issues

It’s Cyber Security Awareness Month and it made me think about one of my favorite movies, called Groundhog Day. Have you ever seen it? Bill Murray is the cynical weatherman, Phil Connors, who gets stuck in an endless loop where he repeats the same day over and over again until he “participates in...

AG Barr, Officials to Facebook: Don't Encrypt Messaging

U.S. Attorney General William Barr is among government officials asking Facebook CEO Mark Zuckerberg to halt or at least delay a plan to add end-to-end encryption to its messaging services in an effort to bolster consumer privacy. The move, unveiled Thursday, once again sparked the privacy debate...

The vulnerability of the Cisco IOS XE operating system, related to uncontrolled resource consumption, allows a hacker to trigger a service failure.

The vulnerability of the Cisco IOS XE operating system is related to an uncontrolled consumption of resources. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...

Input validation

Improper validation of read and write index of tx and rx fifos before using for data copy from fifo can lead to out-of-bound access. in Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in IPQ4019, IPQ8064, IPQ8074, QCS405, SD 665, SD 675, SD 730, SD 855...

Pay What You Wish — 9 Hacking Certification Training Courses in 1 Bundle

The greatest threat facing most nations is no longer a standing army. It's a hacker with a computer who can launch a crippling cyber attack from thousands of miles away—potentially taking down everything from server farms to entire power grids with a few lines of code. So it should come as no...

Cisco IOS XE Virtualization Manager CLI Command Injection Vulnerability

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A command injection vulnerability exists in Cisco IOS XE's CLI commands related to the Virtualization Manager. The vulnerability stems from insufficient validation of parameters...

CVE-2019-12651

Multiple vulnerabilities in the web-based user interface Web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to execute commands with elevated privileges on the affected device. For more information about these vulnerabilities, see the Details section of this advisory...

15,000 webcams vulnerable to attack: how to protect against webcam hacking

Webcams may have been around for a long time, but that doesn’t mean we know what we’re doing with them. Webcam hacking has been around for equally as long, yet new research from Wizcase indicates that more than 15,000 private, web-connected cameras are exposed and readily accessible to the genera...

QEMU: slirp: heap buffer overflow in tcp_emu()

A heap buffer overflow issue was found in the SLiRP networking implementation of the QEMU emulator. It occurs in tcpemu routine while emulating the Identification protocol and copying message data to a socket buffer. A user or process could use this flaw to crash the QEMU process on the host...

kernel: vhost-net: guest to host kernel escape during migration

A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this fla...

Important kernel security update: Virtuozzo ReadyKernel patch 87.0 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 2.5, 3.0

The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to all supported kernels of Virtuozzo 7.0 and Virtuozzo Infrastructure Platform. Vulnerability id: CVE-2019-14835 3.10.0-693.17.1.vz7.43.10 to 3.10.0-957.12.2.vz7.96.21 vhost-net: guest to host kernel...

Security Advisory - Privilege Escalation Vulnerability in Some Huawei Products

Products Switches Routers WLAN Storage See All Solutions Cloud Data Center Enterprise Networking Intelligent Computing Solutions by Industry See All Services Training and Certification Industry Cloud Enablement Service Improvement Service Customer Support Service See All Partner Find a Partner...

Security Advisory - Improper Authentication Vulnerability in Some Huawei CloudEngine Products

Products Switches Routers WLAN Storage See All Solutions Cloud Data Center Enterprise Networking Intelligent Computing Solutions by Industry See All Services Training and Certification Industry Cloud Enablement Service Improvement Service Customer Support Service See All Partner Find a Partner...

Grapl - Graph Platform For Detection And Response

Grapl is a Graph Platform for Detection and Response. For a more in depth overview of Grapl, read this. In short, Grapl will take raw logs, convert them into graphs, and merge those graphs into a Master Graph. It will then orchestrate the execution of your attack signatures and provide tools for...

USN-4115-2: Linux kernel regression

USN 4115-1 fixed vulnerabilities in the Linux 4.15 kernel for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. Unfortunately, as part of the update, a regression was introduced that caused a kernel crash when handling fragmented packets in some situations. This update addresses the issue. We apologize for...

Ubuntu: Security Advisory (USN-4120-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 18.04 LTS : systemd regression (USN-4120-2)

The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4120-2 advisory. USN-4120-1 fixed a vulnerability in systemd. The update included a recent SRU from the updates pocket that introduced networking problems for some users. This...