SB20170807113 - Path traversal in BusyBox
Published: August 7, 2017 Updated: March 24, 2022
Security Bulletin ID
SB20170807113
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2011-5325)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the BusyBox implementation of tar. A remote attacker can trick pass specially crafted tar archive to the application and overwrite files outside the current working directory via a symlink.
Remediation
Install update from vendor's website.
References
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://seclists.org/fulldisclosure/2019/Jun/18
- http://seclists.org/fulldisclosure/2020/Aug/20
- http://www.openwall.com/lists/oss-security/2015/10/21/7
- https://bugzilla.redhat.com/show_bug.cgi?id=1274215
- 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://usn.ubuntu.com/3935-1/