CVE Catalog

CVE-2016-10124

High
Published: Translated: NVD NIST

Summary

An issue was discovered in Linux Containers (LXC) before February 22, 2016, allowing escape from the container. By using lxc-attach, a nonprivileged session can escape to the parent session via the TIOCSTI ioctl, enabling an attacker to break out of the container.

Risk Assessment

The risk associated with this vulnerability is the potential for an attacker to gain access to the host system, which could lead to privilege escalation and compromise the security of the entire infrastructure.

Recommendation

It is recommended to update the LXC system to a version after February 22, 2016, to mitigate this vulnerability. Additionally, consider restricting the use of lxc-attach in production environments.

Related vulnerabilities

Original NVD description (English source)

An issue was discovered in Linux Containers (LXC) before 2016-02-22. When executing a program via lxc-attach, the nonpriv session can escape to the parent session by using the TIOCSTI ioctl to push characters into the terminal's input buffer, allowing an attacker to escape the container.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS