runC: Multiple vulnerabilities — GLSA 202003-21

Multiple vulnerabilities have been discovered in runC, the worst of which may lead to privilege escalation.

Affected packages

app-emulation/runc on all architectures
Affected versions < 1.0.0_rc10
Unaffected versions >= 1.0.0_rc10

Background

RunC is a CLI tool for spawning and running containers according to the OCI specification.

Description

Multiple vulnerabilities have been discovered in runC. Please review the CVE identifiers referenced below for details.

Impact

An attacker, by running a malicious Docker image, could escape the container, bypass security restrictions, escalate privileges or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All runC users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/runc-1.0.0_rc10"
 

References

Release date
March 15, 2020

Latest revision
March 15, 2020: 1

Severity
high

Exploitable
local, remote

Bugzilla entries