CVE-2022-21716
Twisted SSH Infinite SSH Version Identifier Buffer Overflow
Description
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.
INFO
Published Date :
March 3, 2022, 9:15 p.m.
Last Modified :
Nov. 7, 2023, 3:43 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2022-21716 has a 2 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
Affected Products
The following products are affected by CVE-2022-21716
vulnerability.
Even if cvefeed.io
is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-21716
.
URL | Resource |
---|---|
https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9 | Patch Third Party Advisory |
https://github.com/twisted/twisted/releases/tag/twisted-22.2.0 | Release Notes Third Party Advisory |
https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx | Exploit Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/ | |
https://security.gentoo.org/glsa/202301-02 | Third Party Advisory |
https://twistedmatrix.com/trac/ticket/10284 | Issue Tracking Vendor Advisory |
https://www.oracle.com/security-alerts/cpuapr2022.html | Patch Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC
cve-2020-
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-21716
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-21716
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/ [No types assigned] Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/ [No types assigned] Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/ Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/ -
Reanalysis by [email protected]
Jul. 24, 2023
Action Type Old Value New Value Added CWE NIST CWE-770 -
Modified Analysis by [email protected]
Jan. 13, 2023
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202301-02 No Types Assigned https://security.gentoo.org/glsa/202301-02 Third Party Advisory -
CVE Modified by [email protected]
Jan. 11, 2023
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202301-02 [No Types Assigned] -
Modified Analysis by [email protected]
Sep. 10, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/ Mailing List, Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpuapr2022.html No Types Assigned https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 03, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/ [No Types Assigned] -
CVE Modified by [email protected]
Apr. 20, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 08, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:twistedmatrix:twisted:*:*:*:*:*:*:*:* versions from (including) 21.7.0 up to (excluding) 22.2.0 *cpe:2.3:a:twistedmatrix:twisted:22.2.0:rc1:*:*:*:*:*:* OR *cpe:2.3:a:twistedmatrix:twisted:*:*:*:*:*:*:*:* versions from (including) 21.7.0 up to (excluding) 22.2.0 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 10, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 10, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9 No Types Assigned https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9 Patch, Third Party Advisory Changed Reference Type https://github.com/twisted/twisted/releases/tag/twisted-22.2.0 No Types Assigned https://github.com/twisted/twisted/releases/tag/twisted-22.2.0 Release Notes, Third Party Advisory Changed Reference Type https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx No Types Assigned https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx Exploit, Patch, Third Party Advisory Changed Reference Type https://twistedmatrix.com/trac/ticket/10284 No Types Assigned https://twistedmatrix.com/trac/ticket/10284 Issue Tracking, Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:twistedmatrix:twisted:*:*:*:*:*:*:*:* versions from (including) 21.7.0 up to (excluding) 22.2.0 *cpe:2.3:a:twistedmatrix:twisted:22.2.0:rc1:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-21716
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-21716
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.50 }} 0.04%
score
0.77079
percentile