SB2013031514 - Symbolic link following in Apache Commons FileUpload
Published: March 15, 2013 Updated: July 19, 2021
Security Bulletin ID
SB2013031514
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) UNIX symbolic link following (CVE-ID: CVE-2013-0248)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue. The application uses the /tmp directory for uploaded files. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Successful exploitation of this vulnerability may result in privilege escalation.
Remediation
Install update from vendor's website.