SB2016070701 - Slackware Linux update for samba
Published: July 7, 2016
Security Bulletin ID
SB2016070701
Severity
High
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) Security restrictions bypass (CVE-ID: CVE-2016-2119)
The vulnerability allows a remote attacker to downgrade client signing security controls on the target system.The vulnerability exists due to state error in Samba. A remote unauthenticated attacker can downgrade the required signing for an SMB2/3 client connection by injecting the SMB2_SESSION_FLAG_IS_GUEST or SMB2_SESSION_FLAG_IS_NULL flags.
Successful exploitation of this vulnerability may result in disclosure of system information.
Remediation
Install update from vendor's website.