Samba - Security Update (DLA-776-1)
Summary
DLA-776-1: samba - security update. Affects samba versions < 2:3.6.6-6+deb7u11. Fixed in 2:3.6.6-6+deb7u11. How to fix ↓
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Background
Samba is an open-source software suite that provides file and print services for various operating systems, including Windows, Linux, and macOS. It allows interoperability between different systems and facilitates file sharing across networks. The Samba package in Debian 7 Wheezy is vulnerable to a security issue that affects the client code when using Kerberos authentication.
Vulnerability Detail
The Samba client code in Debian 7 Wheezy always requests a forwardable ticket when using Kerberos authentication. This behavior can be exploited by a target server in the current or trusted domain/realm to obtain a valid general-purpose Kerberos Ticket Granting Ticket (TGT). With this TGT, the attacker can fully impersonate the authenticated user or service, potentially leading to unauthorized access or privilege escalation.
How To Fix
Minimum fixed version
2:3.6.6-6+deb7u11
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 →
Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The Samba package in Debian 7 Wheezy is vulnerable to a security issue that allows a target server to obtain a valid TGT, potentially leading to unauthorized access or privilege escalation. To mitigate this vulnerability, it is recommended to upgrade the Samba package to version 2:3.6.6-6+deb7u11 or later. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for samba →
FAQ
Samba is an open-source software suite that provides file and print services for various operating systems, facilitating interoperability between different systems and enabling file sharing across networks.
The vulnerability affects Samba version 2:3.6.6-6+deb7u11 and earlier in Debian 7 Wheezy.
The vulnerability allows a target server to obtain a valid general-purpose Kerberos Ticket Granting Ticket (TGT), which can be used to impersonate authenticated users or services, potentially leading to unauthorized access or privilege escalation.
To fix this vulnerability, you should upgrade your Samba package to version 2:3.6.6-6+deb7u11 or later.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at https://wiki.debian.org/LTS.
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