CVE-2019-7483 : Security Advisory and Response
Learn about CVE-2019-7483 affecting SonicWall SMA100. Unauthenticated users can exploit a Directory Traversal flaw to check for file existence on the server. Find mitigation steps here.
SonicWall SMA100 is affected by a Directory Traversal vulnerability that allows unauthenticated users to check for file existence on the server.
Understanding CVE-2019-7483
This CVE involves a security issue in SonicWall SMA100 that could be exploited by unauthorized users.
What is CVE-2019-7483?
The vulnerability in SonicWall SMA100's handleWAFRedirect CGI enables unauthenticated users to perform Directory Traversal attacks.
The Impact of CVE-2019-7483
The vulnerability allows attackers to verify the presence of files on the server, potentially leading to unauthorized access or data leakage.
Technical Details of CVE-2019-7483
SonicWall SMA100's security flaw is detailed below.
Vulnerability Description
An unauthenticated user can exploit the handleWAFRedirect CGI to conduct Directory Traversal attacks.
Affected Systems and Versions
- Product: SMA100
- Vendor: SonicWall
- Versions Affected: 9.0.0.3 and earlier
Exploitation Mechanism
The vulnerability allows attackers to manipulate file paths to access restricted directories on the server.
Mitigation and Prevention
Protect your systems from CVE-2019-7483 with the following measures.
Immediate Steps to Take
- Apply security patches provided by SonicWall promptly.
- Monitor network traffic for any suspicious activity.
- Restrict access to sensitive directories.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Implement strong access controls and authentication mechanisms.
- Conduct regular security audits and penetration testing.
- Educate users on safe browsing habits and security best practices.
Patching and Updates
Ensure that your SonicWall SMA100 devices are updated with the latest security patches to mitigate the risk of exploitation.