SB2018022719 - Denial of service in xen (Alpine package)
Published: February 27, 2018
Security Bulletin ID
SB2018022719
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Denial of service (CVE-ID: CVE-2017-17564)
CWE-ID: CWE-388 - Error Handling
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an adjacent attacker to cause DoS condition or gain elevated privileges.
The weakness exists due to improper error handling for reference counts. A remote attacker can trigger memory corruption, cause the hypervisor to crash or gain elevated privileges on the target system.
Remediation
Install update from vendor's website.