CVE-2022-27191
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 4.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 4.0% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 4.0% · EPSS, next 30 days
- Record status
- Modified
Affected
- Golang Ssh < 0.0.0-20220314234659-1baeb1ce4c0b
- Fedoraproject Extra Packages For Enterprise Linux 8.0
- Fedoraproject Fedora 34
- Fedoraproject Fedora 35
- Fedoraproject Fedora 36
- Redhat Advanced Cluster Management For Kubernetes 2.0
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-27191.md and follow it. Check whether this project is affected by CVE-2022-27191. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- https://groups.google.com/g/golang-announce
- https://groups.google.com/g/golang-announce/c/-cp44ypCT5s
- 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/
- https://groups.google.com/g/golang-announce
- https://groups.google.com/g/golang-announce/c/-cp44ypCT5s
- 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/