FKIE_CVE-2022-21716

Vulnerability from fkie_nvd - Published: 2022-03-03 21:15 - Updated: 2024-11-25 18:12
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
security-advisories@github.comhttps://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/twisted/twisted/releases/tag/twisted-22.2.0Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgxExploit, Patch, Third Party Advisory
security-advisories@github.comhttps://lists.debian.org/debian-lts-announce/2022/03/msg00009.htmlMailing List, Third Party Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/
security-advisories@github.comhttps://security.gentoo.org/glsa/202301-02Third Party Advisory
security-advisories@github.comhttps://twistedmatrix.com/trac/ticket/10284Issue Tracking, Vendor Advisory
security-advisories@github.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/twisted/twisted/releases/tag/twisted-22.2.0Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgxExploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/03/msg00009.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202301-02Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://twistedmatrix.com/trac/ticket/10284Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
twisted twisted *
debian debian_linux 9.0
oracle http_server 12.2.1.3.0
oracle http_server 12.2.1.4.0
oracle zfs_storage_appliance_kit 8.8
fedoraproject fedora 35
fedoraproject fedora 36
To clipboard 

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      "value": "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\u0027s SSH version identifier. This ends up with a buffer using all the available memory. The attach is a simple as `nc -rv localhost 22 \u003c /dev/zero`. A patch is available in version 22.2.0. There are currently no known workarounds."
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      "value": "Twisted es un marco de trabajo basado en eventos para aplicaciones de Internet, compatible con Python versi\u00f3n 3.6+. En versiones anteriores a 22.2.0, la implementaci\u00f3n de cliente y servidor SSH de Twisted es capaz de aceptar una cantidad infinita de datos para el identificador de versi\u00f3n SSH del compa\u00f1ero. Esto termina con un buffer usando toda la memoria disponible. El adjunto es tan simple como \"nc -rv localhost 22 ( /dev/zero\". Se presenta un parche disponible en versi\u00f3n 22.2.0. Actualmente no se presentan medidas de mitigaci\u00f3n conocidas"
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  "id": "CVE-2022-21716",
  "lastModified": "2024-11-25T18:12:24.673",
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.