CVE-2021-34558
Severity
6.5MEDIUM
EPSS
0.9%
top 24.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 15
Latest updateMay 24
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6
Affected Packages4 packages
Also affects: Fedora 33, 34
Patches
🔴Vulnerability Details
4📋Vendor Advisories
3Microsoft▶
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 malici↗2021-07-13
Debian▶
CVE-2021-34558: golang-1.15 - The crypto/tls package of Go through 1.16.5 does not properly assert that the ty...↗2021