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CVE-2017-5226

10.0 · CRITICAL

When executing a program via the bubblewrap sandbox, 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…

Published Mar 29, 2017CWE-20EPSS 3.17%

Overview

CVE-2017-5226 is a critical-severity vulnerability. It was published on March 29, 2017 and has a CVSS 3.0 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

When executing a program via the bubblewrap sandbox, 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 sandbox.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.openwall.com/lists/oss-security/2020/07/10/1Refwww.openwall.com/lists/oss-security/2023/03/17/1Refwww.securityfocus.com/bid/97260Refbugzilla.redhat.com/show_bug.cgi?id=1411811GitHubgithub.com/projectatomic/bubblewrap/commit/d7fc532c42f0e9bf427923bab85433282b3e5117GitHubgithub.com/projectatomic/bubblewrap/issues/142Refwww.openwall.com/lists/oss-security/2023/03/14/2Refwww.openwall.com/lists/oss-security/2020/07/10/1Refwww.openwall.com/lists/oss-security/2023/03/17/1Refwww.securityfocus.com/bid/97260

How CyberStrike helps

Frequently asked questions

What is CVE-2017-5226?

CVE-2017-5226 is a critical-severity vulnerability. It was published on March 29, 2017 and has a CVSS 3.0 base score of 10.0 (CRITICAL).

How severe is CVE-2017-5226?

This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-5226?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-5226?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-5226 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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