7.5
HIGH
CVE-2022-27191
OpenSSH Server Crash via Malformed Host Key
Description

The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.

INFO

Published Date :

March 18, 2022, 7:15 a.m.

Last Modified :

Nov. 7, 2023, 3:45 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2022-27191 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-2022-27191 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.

ID Vendor Product Action
1 Fedoraproject fedora
2 Fedoraproject extra_packages_for_enterprise_linux
1 Golang ssh
1 Redhat advanced_cluster_management_for_kubernetes
: Total Affected Vendor : 3 | Products : 4
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-2022-27191.

URL Resource
https://groups.google.com/g/golang-announce Mailing List Third Party Advisory
https://groups.google.com/g/golang-announce/c/-cp44ypCT5s Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HHGBEGJ54DZZGTXFUQNS7ZIG3E624YAF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J5WPM42UR6XIBQNQPNQHM32X7S4LJTRX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTFOIDHQRGNI4P6LYN6ILH5G443RYYKB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHYRQB7TRMHDB3NEHW5XBRG7PPMUTPGV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQNPPQWSTP2IX7SHE6TS4SP4EVMI5EZK/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR/
https://security.netapp.com/advisory/ntap-20220429-0002/ 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).

Profile Photo
Giapppp/Secure-Shell

Secure Shell Protocol: Introduction and Some Cryptographic Attacks

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Nov. 9, 2023, 3:17 p.m. This repo has been linked 3 different CVEs too.
Profile Photo
upsideon/shoveler

A service to connect people who require snow shoveling assistance with those willing to give it.

Dockerfile Go HTML CSS JavaScript Shell

Updated: 1 year, 11 months ago
0 stars 0 fork 0 watcher
Born at : Nov. 26, 2022, 1:45 a.m. This repo has been linked 19 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-27191 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-27191 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 MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HHGBEGJ54DZZGTXFUQNS7ZIG3E624YAF/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTFOIDHQRGNI4P6LYN6ILH5G443RYYKB/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHYRQB7TRMHDB3NEHW5XBRG7PPMUTPGV/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQNPPQWSTP2IX7SHE6TS4SP4EVMI5EZK/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J5WPM42UR6XIBQNQPNQHM32X7S4LJTRX/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/HHGBEGJ54DZZGTXFUQNS7ZIG3E624YAF/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/QTFOIDHQRGNI4P6LYN6ILH5G443RYYKB/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/ZQNPPQWSTP2IX7SHE6TS4SP4EVMI5EZK/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/YHYRQB7TRMHDB3NEHW5XBRG7PPMUTPGV/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/J5WPM42UR6XIBQNQPNQHM32X7S4LJTRX/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6/
  • CWE Remap by [email protected]

    Aug. 08, 2023

    Action Type Old Value New Value
    Changed CWE CWE-327 NVD-CWE-noinfo
  • Modified Analysis by [email protected]

    Oct. 26, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6/ Mailing List, Third Party Advisory
  • CVE Modified by [email protected]

    Aug. 17, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Jul. 22, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR/ Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* OR *cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:redhat:advanced_cluster_management_for_kubernetes:2.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 13, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 04, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 14, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ/ [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 13, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O/ Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/J5WPM42UR6XIBQNQPNQHM32X7S4LJTRX/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/J5WPM42UR6XIBQNQPNQHM32X7S4LJTRX/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP/ Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20220429-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20220429-0002/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 07, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 07, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 29, 2022

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20220429-0002/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 29, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/J5WPM42UR6XIBQNQPNQHM32X7S4LJTRX/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 28, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/HHGBEGJ54DZZGTXFUQNS7ZIG3E624YAF/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/HHGBEGJ54DZZGTXFUQNS7ZIG3E624YAF/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/QTFOIDHQRGNI4P6LYN6ILH5G443RYYKB/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/QTFOIDHQRGNI4P6LYN6ILH5G443RYYKB/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/YHYRQB7TRMHDB3NEHW5XBRG7PPMUTPGV/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/YHYRQB7TRMHDB3NEHW5XBRG7PPMUTPGV/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZQNPPQWSTP2IX7SHE6TS4SP4EVMI5EZK/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZQNPPQWSTP2IX7SHE6TS4SP4EVMI5EZK/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 28, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZQNPPQWSTP2IX7SHE6TS4SP4EVMI5EZK/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/YHYRQB7TRMHDB3NEHW5XBRG7PPMUTPGV/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 21, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/HHGBEGJ54DZZGTXFUQNS7ZIG3E624YAF/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/QTFOIDHQRGNI4P6LYN6ILH5G443RYYKB/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 19, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions up to (including) 1.16.15 *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (including) 1.17.8 OR *cpe:2.3:a:golang:ssh:*:*:*:*:*:*:*:* versions up to (excluding) 0.0.0-20220314234659-1baeb1ce4c0b
  • CVE Modified by [email protected]

    Apr. 18, 2022

    Action Type Old Value New Value
    Changed Description golang.org/x/crypto/ssh before 0.0.0-20220314234659-1baeb1ce4c0b in Go through 1.16.15 and 1.17.x through 1.17.8 allows an attacker to crash a server in certain circumstances involving AddHostKey. The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.
  • Initial Analysis by [email protected]

    Mar. 25, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/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://groups.google.com/g/golang-announce No Types Assigned https://groups.google.com/g/golang-announce Mailing List, Third Party Advisory
    Changed Reference Type https://groups.google.com/g/golang-announce/c/-cp44ypCT5s No Types Assigned https://groups.google.com/g/golang-announce/c/-cp44ypCT5s Mailing List, Third Party Advisory
    Added CWE NIST CWE-327
    Added CPE Configuration OR *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions up to (including) 1.16.15 *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (including) 1.17.8
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-27191 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-2022-27191 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.35 }} 0.06%

score

0.72252

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: