CVE-2021-43565
golang.org/x/crypto: empty plaintext packet causes panic
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.
El paquete x/crypto/ssh versiones anteriores a 0.0.0-20211202192323-5770296d904e, de golang.org/x/crypto permite a un atacante entrar en pánico en un servidor SSH.
There's an input validation flaw in golang.org/x/crypto's readCipherPacket() function. An unauthenticated attacker who sends an empty plaintext packet to a program linked with golang.org/x/crypto/ssh could cause a panic, potentially leading to denial of service.
Red Hat Advanced Cluster Management for Kubernetes 2.4.2 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the References section. Issues addressed include denial of service, open redirection, privilege escalation, and traversal vulnerabilities.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-11-09 CVE Reserved
- 2022-03-04 CVE Published
- 2024-08-04 CVE Updated
- 2025-04-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
CAPEC
References (4)
URL | Tag | Source |
---|---|---|
https://groups.google.com/forum/#%21forum/golang-announce | X_refsource_misc | |
https://groups.google.com/g/golang-announce/c/2AR1sKiM-Qs | Issue Tracking |
URL | Date | SRC |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://access.redhat.com/security/cve/CVE-2021-43565 | 2024-05-21 | |
https://bugzilla.redhat.com/show_bug.cgi?id=2030787 | 2024-05-21 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Golang Search vendor "Golang" | Ssh Search vendor "Golang" for product "Ssh" | < 0.0.0-20211202192323-5770296d904e Search vendor "Golang" for product "Ssh" and version " < 0.0.0-20211202192323-5770296d904e" | - |
Affected
|