CVE-2017-16544

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.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• https://security.archlinux.org/ASA-201803-2
• https://security.archlinux.org/ASA-201803-1
• http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
• http://packetstormsecurity.com/files/154536/VMware-Security-Advisory-2019-0013.html
• http://packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.html
• http://seclists.org/fulldisclosure/2019/Jun/18
• http://seclists.org/fulldisclosure/2019/Sep/7
• http://seclists.org/fulldisclosure/2020/Aug/20
• http://seclists.org/fulldisclosure/2020/Mar/15
• http://seclists.org/fulldisclosure/2020/Sep/6
• http://seclists.org/fulldisclosure/2021/Aug/21
• http://seclists.org/fulldisclosure/2021/Jan/39
• http://seclists.org/fulldisclosure/2022/Jun/36
• http://www.vmware.com/security/advisories/VMSA-2019-0013.html
• https://git.busybox.net/busybox/commit/?id=c3797d40a1c57352192c6106cc0f435e7d9c11e8
• https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
• https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
• https://seclists.org/bugtraq/2019/Jun/14
• https://seclists.org/bugtraq/2019/Sep/7
• https://us-cert.cisa.gov/ics/advisories/icsa-20-240-01
• https://usn.ubuntu.com/3935-1/
• https://www.twistlock.com/2017/11/20/cve-2017-16544-busybox-autocompletion-vulnerability/
• https://security-tracker.debian.org/tracker/CVE-2017-16544
• https://www.suse.com/security/cve/CVE-2017-16544.html

CWEs

CWE-94