Panic when processing post-handshake message on QUIC connections in crypto/tls
CVE-2023-39321

7.5HIGH

Key Information:

Vendor

Go Standard Library

Status
Crypto/tls
Vendor
CVE Published:
8 September 2023

What is CVE-2023-39321?

A vulnerability exists in the Go programming language where processing an incomplete post-handshake message in QUIC connections can lead to a panic. This situation can disrupt normal operations and may expose running applications to unforeseen crashes. Developers utilizing Go must ensure they are aware of this issue to mitigate potential impacts on their services.

Affected Version(s)

crypto/tls 1.21.0-0 < 1.21.1

References

https://go.dev/issue/62266
https://go.dev/cl/523039
https://groups.google.com/g/golang-dev/c/2C5vbR-UNkI/m/L1...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Marten Seemann
.