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CVE-2018-18555

UnknownEPSS 1.77%

Last modified

CVE-2018-18555 is a vulnerability of currently unknown severity. A sandbox escape issue was discovered in VyOS 1.1.8. It provides a restricted management shell for operator users to administer the device. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

A sandbox escape issue was discovered in VyOS 1.1.8. It provides a restricted management shell for operator users to administer the device. By issuing various shell special characters with certain commands, an authenticated operator user can break out of the management shell and gain access to the underlying Linux shell. The user can then run arbitrary operating system commands with the privileges afforded by their account.

Metrics

EPSS Probability
1.77%

75.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VyosVyos1.1.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-18555?
A sandbox escape issue was discovered in VyOS 1.1.8. It provides a restricted management shell for operator users to administer the device. By issuing various shell special characters with certain commands, an authenticated operator user can break out of the management shell and gain access to the underlying Linux shell. The user can then run arbitrary operating system commands with the privileges afforded by their account.
How severe is CVE-2018-18555?
Severity scoring for CVE-2018-18555 is pending analysis. The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18555?
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.

Are you affected by CVE-2018-18555?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST