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freeSSHd SFTP 'rename' and 'realpath' Remote DoS Vulnerability

Information

Severity

Severity

Critical

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

9.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

14 years ago

Modified

Modified

4 years ago

Summary

The host is running freeSSHd SSH server and is prone to remote denial of service vulnerability. NULL pointer de-referencing errors in SFTP 'rename' and 'realpath' commands. These can be exploited by passing overly long string passed as an argument to the affected commands.

Affected Software

Affected Software

freeSSHd freeSSHd version 1.2.1.14 and prior on Windows (all)

Solution

Solution

Upgrade to freeSSHd version 1.2.6 or later.

Common Vulnerabilities and Exposures (CVE)