Vulnerability in Golang Ssh
CVE-2022-27191
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.
EPSS: 0.039 (89.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Golang Ssh
- Fedoraproject Extra_packages_for_enterprise_linux — versions 8.0
- Fedoraproject Fedora — versions 34, 35, 36
- Redhat Advanced_cluster_management_for_kubernetes — versions 2.0
- Redhat Enterprise_linux — versions 7.0, 8.0
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2022-27191?
- CVE-2022-27191 is a high-severity vulnerability in Golang Ssh. CVSS score: 7.5/10. Published 2022-03-18.
- How severe is CVE-2022-27191?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-27191 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.