CVE-2021-25741 Symlink Exchange Can Allow Host Filesystem Access

A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem...

CVE-2021-25741

A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem...

PT-2021-5366 · Unknown +2 · Kubernetes +1

Name of the Vulnerable Software and Affected Versions: Kubernetes affected versions not specified Description: A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on...

Symlink Exchange Can Allow Host Filesystem Access

A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem. This issue has been rated High CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, and assigned...

GHSA-C72P-9XMJ-RX3W Archive package allows chmod of file outside of unpack target directory

Impact A bug was found in containerd where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host’s filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or s...

AZL-6680 CVE-2021-32760 affecting package moby-containerd for versions less than 1.4.4+azure-4

containerd is a container runtime. A bug was found in containerd versions prior to 1.4.8 and 1.5.4 where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host’s filesystem. Changes to file permissions can deny access t...

CVE-2021-32760 Archive package allows chmod of file outside of unpack target directory

containerd is a container runtime. A bug was found in containerd versions prior to 1.4.8 and 1.5.4 where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host’s filesystem. Changes to file permissions can deny access t...

Security Bulletin: Red Hat OpenShift on IBM Cloud is affected by a cri-o/runc security vulnerability (CVE-2021-30465)

Summary Red Hat OpenShift on IBM Cloud is affected by a security vulnerability found in cri-o/runc that could allow certain container configuration requests to actually result in the host filesystem being bind-mounted into the container allowing for a container escape CVE-2021-30465. Vulnerabilit...

runc: vulnerable to symlink exchange attack

The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity ...

runc: vulnerable to symlink exchange attack

The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity ...

runc: vulnerable to symlink exchange attack

The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity ...

runc: vulnerable to symlink exchange attack

The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity ...

GHSA-C3XM-PVG7-GH7R mount destinations can be swapped via symlink-exchange to cause mounts outside the rootfs

Summary runc 1.0.0-rc94 and earlier are vulnerable to a symlink exchange attack whereby an attacker can request a seemingly-innocuous container configuration that actually results in the host filesystem being bind-mounted into the container allowing for a container escape. CVE-2021-30465 has been...

[ASA-202105-17] runc: sandbox escape

Arch Linux Security Advisory ASA-202105-17 ========================================== Severity: High Date : 2021-05-25 CVE-ID : CVE-2021-30465 Package : runc Type : sandbox escape Remote : No Link : https://security.archlinux.org/AVG-1972 Summary ======= The package runc before version 1.0.0rc95-...

runc: vulnerable to symlink exchange attack

The runc package is vulnerable to a symlink exchange attack whereby an attacker can request a seemingly innocuous container configuration that results in the host filesystem being bind-mounted into the container. The highest threat from this vulnerability is to data confidentiality and integrity ...

GHSA-7GCP-W6WW-2XV9 Path traversal and files overwrite with unsquashfs in singularity

Impact Due to insecure handling of path traversal and the lack of path sanitization within unsquashfs a distribution provided utility used by Singularity, it is possible to overwrite/create any files on the host filesystem during the extraction of a crafted squashfs filesystem. Squashfs extractio...

USN-4960-1 runc vulnerability

Etienne Champetier discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount the host filesystem into the container and escalate privileges...

runc 竞争条件问题漏洞

runc is a CLI Command Line Interface tool for generating and running containers according to the OCI specification. runc suffers from a Contested Condition Issue vulnerability that can be exploited by an attacker to bind a host filesystem to a container...

Docker path traversal vulnerability

Docker is an open source application container engine from the American company Docker. It supports creating a container lightweight virtual machine and deploying and running applications on Linux systems, as well as automating the installation, deployment and upgrade of applications through...

Security update for containerd, docker, docker-runc, golang-github-docker-libnetwork (important)

openSUSE Security Update: Security update for containerd, docker, docker-runc, golang-github-docker-libnetwork Announcement ID: openSUSE-SU-2021:0278-1 Rating: important References: 1174075 1176708 1178801 1178969 1180243 1180401 1181730 1181732 Cross-References: CVE-2020-15257 CVE-2021-21284...