SB2013111402 - Permissions, Privileges, and Access Controls in samba (Alpine package)
Published: November 14, 2013
Security Bulletin ID
SB2013111402
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2013-4475)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Samba 3.2.x through 3.6.x before 3.6.20, 4.0.x before 4.0.11, and 4.1.x before 4.1.1, when vfs_streams_depot or vfs_streams_xattr is enabled, allows remote attackers to bypass intended file restrictions by leveraging ACL differences between a file and an associated alternate data stream (ADS).
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=145836360ec3811eac5629311303d891a9088ce4
- https://git.alpinelinux.org/aports/commit/?id=facd113ce1db85be7279f8170bbc8f8857372575
- https://git.alpinelinux.org/aports/commit/?id=ce1d3eb25cf80502fc9c9b6604f7efb372ff2ac8
- https://git.alpinelinux.org/aports/commit/?id=d8fa59f0ddf835f8d9c7c0b2b45a1a626c8898c6