Always-Incorrect Control Flow Implementation Affecting envoyproxy/envoy package, versions [,1.31.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (19th percentile)

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  • Snyk ID SNYK-UNMANAGED-ENVOYPROXYENVOY-8062351
  • published 20 Sep 2024
  • disclosed 19 Sep 2024
  • credit Erik Engberg

How to fix?

Upgrade envoyproxy/envoy to version 1.31.2 or higher.

Overview

Affected versions of this package are vulnerable to Always-Incorrect Control Flow Implementation due to the OnBeginHeadersForStream process. An attacker can cause the application to crash by sending specially crafted headers that exploit the bug in stream management.

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