Vulnerability Description
The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.15.14 |
| Fedoraproject | Fedora | 33 |
| Netapp | Cloud Insights Telegraf | - |
| Netapp | Storagegrid | - |
| Netapp | Trident | - |
| Oracle | Timesten In-Memory Database | < 21.1.1.1.0 |
Related Weaknesses (CWE)
References
- https://golang.org/doc/devel/release#go1.16.minorRelease NotesVendor Advisory
- https://groups.google.com/g/golang-announceMailing ListThird Party Advisory
- https://groups.google.com/g/golang-announce/c/n9FxMelZGAQMailing ListRelease NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210813-0005/Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatchThird Party Advisory
FAQ
What is CVE-2021-34558?
CVE-2021-34558 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malic...
How severe is CVE-2021-34558?
CVE-2021-34558 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-34558?
Check the references section above for vendor advisories and patch information. Affected products include: Golang Go, Fedoraproject Fedora, Netapp Cloud Insights Telegraf, Netapp Storagegrid, Netapp Trident.