Vulnerability Database

296,733

Total vulnerabilities in the database

CVE-2022-21716

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 22.2.0, Twisted SSH client and server implement is able to accept an infinite amount of data for the peer's SSH version identifier. This ends up with a buffer using all the available memory. The attach is a simple as nc -rv localhost 22 < /dev/zero. A patch is available in version 22.2.0. There are currently no known workarounds.

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
debian / debian_linux 9.0 9.0.x
oracle / http_server 12.2.1.3.0 12.2.1.3.0.x
oracle / http_server 12.2.1.4.0 12.2.1.4.0.x
oracle / zfs_storage_appliance_kit 8.8 8.8.x
fedoraproject / fedora 35 35.x
fedoraproject / fedora 36 36.x
Python icon twisted 21.7.0 22.2.0
twisted / twisted 21.7.0 22.2.0