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Vulnerabilities for
'RUNC'
2021-12-06
CVE-2021-43784
CWE-190
runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc, netlink is used internally as a serialization system for specifying the relevant container configuration to the `C` portion of the code (responsible for the based namespace setup of containers). In all versions of runc prior to 1.0.3, the encoder did not handle the possibility of an integer overflow in the 16-bit length field for the byte array attribute type, meaning that a large enough malicious byte array attribute could result in the length overflowing and the attribute contents being parsed as netlink messages for container configuration. This vulnerability requires the attacker to have some control over the configuration of the container and would allow the attacker to bypass the namespace restrictions of the container by simply adding their own netlink payload which disables all namespaces. The main users impacted are those who allow untrusted images with untrusted configurations to run on their machines (such as with shared cloud infrastructure). runc version 1.0.3 contains a fix for this bug. As a workaround, one may try disallowing untrusted namespace paths from your container. It should be noted that untrusted namespace paths would allow the attacker to disable namespace protections entirely even in the absence of this bug.
2019-09-25
CVE-2019-16884
CWE-863
runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.
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Vendor:
Linuxfoundation
32
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Foomatic-filters
XEN
DOJO
DEX
Fabric
Foomatic
Cups-filters
CEPH
RUNC
Harbor
Osquery
Open network operating system
ACRN
The update framework
Dojox
Argo continuous delivery
Free range routing
Jaeger
Nats-server
Containerd
Spinnaker
Indy-node
BESU
Argo-cd
Umoci
Backstage
Grpc swift
Cortex
Open container initiative distribution specification
Open container initiative image format specification
Auth backend
Kubeedge
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Vulnerabilities for 'RUNC' 