CVE-2022-21716
CVSS V2 Medium 5
CVSS V3 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.
Overview
- CVE ID
- CVE-2022-21716
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-03-03T21:15:07
- Last Modified Date
- 2023-01-13T19:47:19
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:twistedmatrix:twisted:*:*:*:*:*:*:*:* | 1 | OR | 21.7.0 | 22.2.0 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| 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@lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/ | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202301-02 | |
| https://twistedmatrix.com/trac/ticket/10284 | Issue Tracking Vendor Advisory |
| https://www.oracle.com/security-alerts/cpuapr2022.html | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-21716 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21716 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-20 16:58:48 | Added to TrackCVE | |||
| 2022-12-06 11:16:34 | 2022-03-03T21:15Z | 2022-03-03T21:15:07 | CVE Published Date | updated |
| 2022-12-06 11:16:34 | 2022-09-10T02:42:18 | CVE Modified Date | updated | |
| 2022-12-06 11:16:34 | Analyzed | Vulnerability Status | updated | |
| 2022-12-06 11:16:40 | References | updated | ||
| 2023-01-12 05:13:46 | 2023-01-11T07:15:16 | CVE Modified Date | updated | |
| 2023-01-12 05:13:46 | Analyzed | Undergoing Analysis | Vulnerability Status | updated |
| 2023-01-12 05:13:47 | References | updated | ||
| 2023-01-13 20:17:29 | 2023-01-13T19:47:19 | CVE Modified Date | updated | |
| 2023-01-13 20:17:29 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |