CVE-2021-34558
MEDIUM 6.5EPSS 7.0%
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 v3.1 NVD
- 6.5 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 2.6 LOW
AV:N/AC:H/Au:N/C:N/I:N/A:P - EPSS
- 6.98% chance of exploitation in the next 30 days, 94th percentile
- Published
- 2021-07-15
- Updated
- 2024-08-04
Proof-of-concept exploits (1)
- alexzorin/cve-2021-3455845★ · 2021-07-13
Security advisories
- https://golang.org/doc/devel/release#go1.16.minor
- https://groups.google.com/g/golang-announce
- https://groups.google.com/g/golang-announce/c/n9FxMelZGAQ
- https://security.gentoo.org/glsa/202208-02
- https://security.netapp.com/advisory/ntap-20210813-0005
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html