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CVE-2022-21716

HIGH

7.5

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.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/3/2022

Derniere modification11/25/2024

Sourcenvd

Observations honeypot0

Produits affectes

debian:debian_linuxfedoraproject:fedoraoracle:http_serveroracle:zfs_storage_appliance_kittwisted:twisted

Faiblesses (CWE)

CWE-120CWE-770

References

https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9(security-advisories@github.com)

https://github.com/twisted/twisted/releases/tag/twisted-22.2.0(security-advisories@github.com)

https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx(security-advisories@github.com)

https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html(security-advisories@github.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/(security-advisories@github.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/(security-advisories@github.com)

https://security.gentoo.org/glsa/202301-02(security-advisories@github.com)

https://twistedmatrix.com/trac/ticket/10284(security-advisories@github.com)

https://www.oracle.com/security-alerts/cpuapr2022.html(security-advisories@github.com)

https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/twisted/twisted/releases/tag/twisted-22.2.0(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202301-02(af854a3a-2127-422b-91ae-364da2661108)

https://twistedmatrix.com/trac/ticket/10284(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuapr2022.html(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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