SB2018030128 - Arch Linux update for mkinitcpio-busybox
Published: March 1, 2018
Security Bulletin ID
SB2018030128
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2017-16544)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists in the add_match function in libbb/lineedit.c due to 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. A remote attacker can execute arbitrary code with the system privileges and write arbitrary files.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.