Vulnerability Monitor

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CVE-2021-34558


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.


Published

2021-07-15T14:15:19.660

Last Modified

2024-11-21T06:10:40.993

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

4.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-295

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application golang go < 1.15.14 Yes
Application golang go < 1.16.6 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Application netapp cloud_insights_telegraf - Yes
Application netapp storagegrid - Yes
Application netapp trident - Yes
Application oracle timesten_in-memory_database < 21.1.1.1.0 Yes

References