CVE-2017-16544

Public Exploit

Description

In the add_match function in libbb/lineedit.c in BusyBox through 1.27.2, the tab autocomplete feature of the shell, used to get a list of filenames in a directory, does not sanitize filenames and results in executing any escape sequence in the terminal. This could potentially result in code execution, arbitrary file writes, or other attacks.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.35% Top 25%
Vendor Advisory ubuntu.com Vendor Advisory busybox.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.twistlock.com/2017/11/20/cve-2017-16544-busybox-autocompletion-vulnerability/ third party advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html third party advisory mailing list
https://git.busybox.net/busybox/commit/?id=c3797d40a1c57352192c6106cc0f435e7d9c11e8 patch vendor advisory
https://usn.ubuntu.com/3935-1/ third party advisory vendor advisory
http://seclists.org/fulldisclosure/2019/Jun/18 mailing list exploit third party advisory
https://seclists.org/bugtraq/2019/Jun/14 mailing list exploit third party advisory
http://seclists.org/fulldisclosure/2019/Sep/7 mailing list exploit third party advisory
https://seclists.org/bugtraq/2019/Sep/7 mailing list exploit third party advisory
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html exploit vdb entry third party advisory
http://www.vmware.com/security/advisories/VMSA-2019-0013.html third party advisory
http://packetstormsecurity.com/files/154536/VMware-Security-Advisory-2019-0013.html exploit vdb entry third party advisory
http://seclists.org/fulldisclosure/2020/Mar/15 mailing list exploit third party advisory
http://seclists.org/fulldisclosure/2020/Aug/20 mailing list exploit third party advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-240-01 third party advisory us government resource
http://seclists.org/fulldisclosure/2020/Sep/6 mailing list exploit third party advisory
http://seclists.org/fulldisclosure/2021/Jan/39 mailing list exploit third party advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html third party advisory mailing list
http://seclists.org/fulldisclosure/2021/Aug/21 mailing list exploit third party advisory
http://seclists.org/fulldisclosure/2022/Jun/36 mailing list exploit third party advisory
http://packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-16544?
CVE-2017-16544 has been scored as a high severity vulnerability.
How to fix CVE-2017-16544?
To fix CVE-2017-16544, 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-2017-16544 being actively exploited in the wild?
It is possible that CVE-2017-16544 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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