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CVE-2016-9962

UnknownEPSS 0.38%

Last modified

CVE-2016-9962 is a vulnerability of currently unknown severity. RunC allowed additional container processes via 'runc exec' to be ptraced by the pid 1 of the container. This allows the main processes of the container, if running as root, to gain access to file-descriptors of these new processes during the initialization and can lead to container escapes or modification of runC state before the process is fully placed inside the container.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

RunC allowed additional container processes via 'runc exec' to be ptraced by the pid 1 of the container. This allows the main processes of the container, if running as root, to gain access to file-descriptors of these new processes during the initialization and can lead to container escapes or modification of runC state before the process is fully placed inside the container.

Metrics

EPSS Probability
0.38%

29.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DockerDocker>= 1.11.0, < 1.12.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-9962?
RunC allowed additional container processes via 'runc exec' to be ptraced by the pid 1 of the container. This allows the main processes of the container, if running as root, to gain access to file-descriptors of these new processes during the initialization and can lead to container escapes or modification of runC state before the process is fully placed inside the container.
How severe is CVE-2016-9962?
Severity scoring for CVE-2016-9962 is pending analysis. The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9962?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST