CVE-2017-16544
HIGH severity · CVSS 8.8 · Code injection
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)6%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlAdvisory
- http://packetstormsecurity.com/files/154536/VMware-Security-Advisory-2019-0013.htmlAdvisory
- http://packetstormsecurity.com/files/167552/Nexans-FTTO-GigaSwitch-Outdated-Components-Hardcoded-Backdoor.htmlAdvisory
- http://seclists.org/fulldisclosure/2019/Jun/18Advisory
- http://seclists.org/fulldisclosure/2019/Sep/7Advisory
- http://seclists.org/fulldisclosure/2020/Aug/20Advisory
- http://seclists.org/fulldisclosure/2020/Mar/15Advisory
- http://seclists.org/fulldisclosure/2020/Sep/6Advisory