SB2017021523 - Improper Authentication in FreeBSD
Published: February 15, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017021523
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) Improper Authentication (CVE-ID: CVE-2016-1888)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
The telnetd service in FreeBSD 9.3, 10.1, 10.2, 10.3, and 11.0 allows remote attackers to inject arguments to login and bypass authentication via vectors involving a "sequence of memory allocation failures."
Remediation
Install update from vendor's website.