runc 1.0-rc6 (Docker 18.09.2) - Container Breakout (2)

runc 1.0-rc6 Docker 18.09.2 - Container Breakout 2 CVE-2019-5736 This is exploit code for CVE-2019-5736 and it works for both runc and LXC. The simplest way to use it is to copy the exploit code into an existing container, and run make.sh. However, you could just as easily create a bad image and...

Security update for runc (important)

openSUSE Security Update: Security update for runc Announcement ID: openSUSE-SU-2019:0170-1 Rating: important References: 1095817 1118897 1118898 1118899 1121967 Cross-References: CVE-2018-16873 CVE-2018-16874 CVE-2018-16875 CVE-2019-5736 Affected Products: openSUSE Backports SLE-15 An update tha...

CVE-2019-5736: runC container breakout | Cloud Foundry

Severity High Vendor Open Container Initiative Affected Cloud Foundry Products and Versions Severity is High unless otherwise noted. BPM All prior to v1.0.3 Cloud Foundry Container Runtime CFCR All versions prior to v0.29.0 Docker BOSH Release All versions prior to v34.0.0 Garden runC All version...

Attacking Containers and runC

This week a new vulnerability was published CVE-2019-5736 that highlights everything bad and good about containers. Simply put, this vulnerability can be exploited using an infected container to attack the host. It’s a real world example of a breakout attack that has long been a major concern in...

RunC Container Breakout Vulnerability

Despite the huge advantages that containers offer in application portability, acceleration of CI/CD pipelines and agility of deployment environments, the biggest concern has always been about isolation. Since all the containers running on a host share the same underlying kernel, any malicious cod...

RunC Flaw Lets Attackers Escape Linux Containers to Gain Root on Hosts

A serious security vulnerability has been discovered in the core runC container code that affects several open-source container management systems, potentially allowing attackers to escape Linux container and obtain unauthorized, root-level access to the host operating system. The vulnerability,...

RunC Flaw Lets Attackers Escape Linux Containers to Gain Root on Hosts

A serious security vulnerability has been discovered in the core runC container code that affects several open-source container management systems, potentially allowing attackers to escape Linux container and obtain unauthorized, root-level access to the host operating system. The vulnerability,...

Malicious Container Execution

github.com/opencontainers/runc is vulnerable to Malicious Container Execution. It does not properly perform the file-descriptor handling which allows a malicious user to overwrite the host runc binary and subsequently executing containers such as 1 a new container with an attacker-controlled imag...

runC < 1.0-rc6 (Docker < 18.09.2) - Host Command Execution Exploit

Exploit for linux platform in category local exploits runc /bin/sh is issued on the host. More complete explanation here. Download: https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/46359.zip 0day.today 2019-02-25...

RHEL 7 : runc (RHSA-2019:0303)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2019:0303 advisory. The runC tool is a lightweight, portable implementation of the Open Container Format OCF that provides container runtime. Security Fixes: A flaw was...

RHEL 7 : docker (RHSA-2019:0304)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:0304 advisory. Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that runs...

Amazon Linux AMI : docker (ALAS-2019-1156)

A vulnerability was discovered in runc, which is used by Docker to run containers. runc did not prevent container processes from modifying the runc binary via /proc/self/exe. A malicious container could replace the runc binary, resulting in container escape and privilege escalation. This was fixe...

runc < 1.0-rc6 (Docker < 18.09.2) - Container Breakout (1)

Usage Edit HOST inside payload.c, compile with make. Start nc and run pwn.sh inside the container. Notes - This exploit is destructive: it'll overwrite /usr/bin/docker-runc binary on the host with the payload. It'll also overwrite /bin/sh inside the container. - Tested only on Debian 9. - No...

CVE-2019-5736

runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary and consequently obtain host root access by leveraging the ability to execute a command as root within one of these types of containers: 1 a new container with an...

CVE-2019-5736

runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary and consequently obtain host root access by leveraging the ability to execute a command as root within one of these types of containers: 1 a new container with an...

UBUNTU-CVE-2019-5736

runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary and consequently obtain host root access by leveraging the ability to execute a command as root within one of these types of containers: 1 a new container with an...

ALPINE-CVE-2019-5736

runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary and consequently obtain host root access by leveraging the ability to execute a command as root within one of these types of containers: 1 a new container with an...

Important: Red Hat Security Advisory: docker security update

An update for docker is now available for Red Hat Enterprise Linux 7 Extras. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

runc: Execution of malicious containers allows for container escape and access to host filesystem

A flaw was found in the way runc handled system file descriptors when running containers. A malicious container could use this flaw to overwrite contents of the runc binary and consequently run arbitrary commands on the container host system...

runc: Execution of malicious containers allows for container escape and access to host filesystem

A flaw was found in the way runc handled system file descriptors when running containers. A malicious container could use this flaw to overwrite contents of the runc binary and consequently run arbitrary commands on the container host system...