SB2020032708 - Red Hat Gluster Storage 3 update for samba
Published: March 27, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Path traversal (CVE-ID: CVE-2019-10218)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in filenames within Samba client code (libsmbclient). A malicious SMB server can return a filename to the client containing directory traversal characters and force the client to read or write data to local files.
Successful exploitation of the vulnerability may allow an attacker to overwrite arbitrary files on the client.
2) Improper input validation (CVE-ID: CVE-2019-14907)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect processing of certain user-controlled string, if logging is enabled at level 3 or above. A remote attacker can send specially crafted data to the Samba DC and terminate Samba RPC server.Remediation
Install update from vendor's website.