Denial of Service (DoS) Affecting golang.org/x/net/http2 package, versions <0.17.0


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    83.78% (99th percentile)

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  • Snyk ID SNYK-GOLANG-GOLANGORGXNETHTTP2-5953327
  • published 11 Oct 2023
  • disclosed 10 Oct 2023
  • credit Unknown

How to fix?

Upgrade golang.org/x/net/http2 to version 0.17.0 or higher.

Overview

golang.org/x/net/http2 is a work-in-progress HTTP/2 implementation for Go.

Affected versions of this package are vulnerable to Denial of Service (DoS) in the implementation of the HTTP/2 protocol. An attacker can cause a denial of service (including via DDoS) by rapidly resetting many streams through request cancellation.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
8.7 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    None
  • Integrity (VI)
    None
  • Availability (VA)
    High
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None