CVE-2017-5226

Public Exploit

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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 7.20% Top 10%
Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/projectatomic/bubblewrap/issues/142 exploit patch vendor advisory
http://www.securityfocus.com/bid/97260 vdb entry third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1411811 issue tracking patch
https://github.com/projectatomic/bubblewrap/commit/d7fc532c42f0e9bf427923bab85433282b3e5117 patch
http://www.openwall.com/lists/oss-security/2020/07/10/1 mailing list
https://www.openwall.com/lists/oss-security/2023/03/14/2
http://www.openwall.com/lists/oss-security/2023/03/17/1 mailing list

Frequently Asked Questions

What is the severity of CVE-2017-5226?
CVE-2017-5226 has been scored as a critical severity vulnerability.
How to fix CVE-2017-5226?
To fix CVE-2017-5226, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5226 being actively exploited in the wild?
It is possible that CVE-2017-5226 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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