Samba - Heap Memory Information Leak
Summary
DLA-1183-1: samba - security update. Affects samba versions < 2:3.6.6-6+deb7u15. Fixed in 2:3.6.6-6+deb7u15. How to fix ↓
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Background
Samba is an open-source SMB/CIFS file, print, and login server for Unix systems. It provides file and printer sharing services to Windows clients and allows Unix users to access shared resources on Windows networks. Samba is widely used in enterprise environments and is an essential component for seamless integration between Unix and Windows systems. However, a vulnerability has been discovered in Samba that can lead to a heap memory information leak.
Vulnerability Detail
The vulnerability in Samba allows for a heap memory information leak, where server allocated heap memory may be returned to the client without being cleared. This can potentially expose sensitive information to unauthorized parties. The issue was discovered by Volker Lendecke of SerNet and the Samba team. The impact of this vulnerability can vary depending on the specific use case and the sensitivity of the data being handled by the Samba server.
How To Fix
Minimum fixed version
2:3.6.6-6+deb7u15
This is the first release that contains the fix.
sudo apt-get install --only-upgrade sambaTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
Samba, an open-source SMB/CIFS file, print, and login server for Unix systems, is vulnerable to a heap memory information leak. This vulnerability can potentially expose sensitive information to unauthorized parties. It is crucial to upgrade the Samba packages to version 2:3.6.6-6+deb7u15 or later to mitigate this issue. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for samba →
FAQ
Samba is an open-source implementation of the SMB/CIFS networking protocol. It allows Unix systems to provide file and printer sharing services to Windows clients.
A heap memory information leak occurs when allocated memory on the server is returned to the client without being properly cleared. This can potentially expose sensitive information to unauthorized parties.
The vulnerability was discovered by Volker Lendecke of SerNet and the Samba team.
The impact of this vulnerability can vary depending on the specific use case and the sensitivity of the data being handled by the Samba server. It has the potential to expose sensitive information to unauthorized parties.
To fix this vulnerability, it is recommended to upgrade the Samba packages to version 2:3.6.6-6+deb7u15 or later. This update includes the necessary patches to address the heap memory information leak.
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