Samba SMB1 ACL Overwriting Vulnerability (CVE-2015-7560)

Samba SMB1 ACL Overwriting Vulnerability (CVE-2015-7560)
Samba SMB1 ACL Overwriting Vulnerability (CVE-2015-7560)

Release date:
Updated on:

Affected Systems:

Samba Samba 3.2.0-4.4.0rc3

Description:

CVE (CAN) ID: CVE-2015-7560

Samba is a free software that implements the SMB protocol on Linux and UNIX systems. It consists of servers and client programs.

In Samba 3.2.0-4.4.0rc3 smbd, security vulnerabilities exist in the implementation of SMB1. authenticated remote users use UNIX SMB1 to create a symbolic link and modify any ACL, then, the write operation on ACL content is called with non-UNIX SMB1.

<* Source: Jeremy Allison

Link: https://www.samba.org/samba/security/CVE-2015-7560.html
*>

Suggestion:

Vendor patch:

Samba
-----
Samba has released a Security Bulletin (CVE-2015-7560) and patches for this:
CVE-2015-7560: Incorrect ACL get/set allowed on symlink path
Link: https://www.samba.org/samba/security/CVE-2015-7560.html

Patch download:
Https://www.samba.org/samba/security/

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