SB2016081708 - Consuming excessive CPU resources on the target system in openssh (Alpine package)
Published: August 17, 2016 Updated: October 30, 2024
Security Bulletin ID
SB2016081708
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Consuming excessive CPU resources on the target system (CVE-ID: CVE-2016-6515)
The vulnerability allows a remote attacker to consume excessive CPU resources on the target system.
The vulnerability exists in the crypt(3) function, which accepts passwords longer that 1024 characters in auth_password() function in the auth_passwd.c . A remote unauthenticated attacker can submit a very long string as a password and consume excessive CPU resources.
Successful exploitation of this vulnerability may result in denial of service.
Remediation
Install update from vendor's website.