CVE-2019-10197 : Vulnerability Insights and Analysis
Discover the impact of CVE-2019-10197, a vulnerability in Samba versions 4.9.x to 4.11.x allowing unauthorized access to directories outside the shared network. Learn about the mitigation steps and prevention measures.
A vulnerability has been discovered in various versions of Samba (4.9.x to 4.9.13, 4.10.x to 4.10.8, and 4.11.x to 4.11.0rc3) that could allow unauthorized access to directories outside the shared network.
Understanding CVE-2019-10197
This CVE pertains to a security flaw in Samba versions 4.9.x up to 4.9.13, 4.10.x up to 4.10.8, and 4.11.x up to 4.11.0rc3, potentially enabling attackers to bypass shared directories.
What is CVE-2019-10197?
This vulnerability arises from misconfigured parameters in the Samba configuration file, enabling attackers to breach shared directories and access non-shared directory contents.
The Impact of CVE-2019-10197
- CVSS Base Score: 6.5 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Confidentiality Impact: Low
- Integrity Impact: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Technical Details of CVE-2019-10197
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The flaw allows unauthenticated attackers to exploit misconfigured Samba parameters, escaping shared directories to access external directory contents.
Affected Systems and Versions
- Affected Versions: Samba 4.9.x up to 4.9.13, 4.10.x up to 4.10.8, 4.11.x up to 4.11.0rc3
- Vendor: SAMBA
Exploitation Mechanism
Attackers can exploit the vulnerability by manipulating specific parameters in the Samba configuration file, enabling them to bypass shared directories.
Mitigation and Prevention
Protect your systems from CVE-2019-10197 with the following measures:
Immediate Steps to Take
- Update Samba to the latest patched version
- Review and adjust Samba configuration settings to prevent unauthorized access
Long-Term Security Practices
- Regularly monitor and audit Samba configurations
- Implement network segmentation to limit access to critical directories
Patching and Updates
- Apply security patches provided by SAMBA
- Stay informed about security advisories and updates from relevant vendors