cve/2023/CVE-2023-27561.md

CVE-2023-27561

Description

runc through 1.1.4 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. NOTE: this issue exists because of a CVE-2019-19921 regression.

POC

Reference

• https://gist.github.com/LiveOverflow/c937820b688922eb127fb760ce06dab9
• https://github.com/opencontainers/runc/issues/2197#issuecomment-1437617334
• https://github.com/opencontainers/runc/issues/3751

Github

• https://github.com/shakyaraj9569/Documentation
• https://github.com/ssst0n3/docker_archive