Denial of service in OpenSSH - #VU8719
Published: October 9, 2017 / Updated: October 10, 2017
Vulnerability identifier: #VU8719
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenSSH
Affected software:
OpenSSH
OpenSSH
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The weakness exists due to a flaw in the process_open() function in sftp-server. A remote attacker can trigger creation of zero-length files and cause the service to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists due to a flaw in the process_open() function in sftp-server. A remote attacker can trigger creation of zero-length files and cause the service to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Update to version 7.6.