SB2018030202 - Slackware Linux update for ntp
Published: March 2, 2018
Security Bulletin ID
SB2018030202
Severity
Low
Patch available
YES
Number of vulnerabilities
5
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Security restrictions bypass (CVE-ID: CVE-2016-1549)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.The weakness exists due to insufficient security restrictions. A remote attacker can create multiple crafted ephemeral associations to bypass security restrictions and modify the clock.
2) Information disclosure (CVE-ID: CVE-2018-7182)
The vulnerability allows a remote unautheticated attacker to obtain potentially sensitive information.
The weakness exists due to insufficient validation user-supplied input. A remote attacker can submit a specially crafted mode 6 packet and gain access to potentially sensitive information.
3) Security restrictions bypass (CVE-ID: CVE-2018-7170)
The vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.The weakness exists due to insufficient security restrictions. A remote attacker can create multiple crafted ephemeral associations to bypass security restrictions and modify the clock.
4) Denial of service (CVE-ID: CVE-2018-7184)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to insufficient security restrictions. A remote attacker can cause interleaved symmetric mode to crash.
5) Improper input validation (CVE-ID: CVE-2018-7185)
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.The weakness exists due to insufficient validation of user-supplied input. A remote attacker can submit continuous crafted packets and cause the service to crash.
Remediation
Install update from vendor's website.