NULL Pointer Dereference Affecting github.com/istio/istio/pilot/pkg/proxy/envoy/v2 package, versions <1.5.0-alpha.0


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.08% (34th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMISTIOISTIOPILOTPKGPROXYENVOYV2-1065960
  • published 29 Jan 2021
  • disclosed 29 Jan 2021
  • credit Unknown

How to fix?

Upgrade github.com/istio/istio/pilot/pkg/proxy/envoy/v2 to version 1.5.0-alpha.0 or higher.

Overview

github.com/istio/istio/pilot/pkg/proxy/envoy/v2 is an An open platform to connect, manage, and secure microservices.

Affected versions of this package are vulnerable to NULL Pointer Dereference. A NULL pointer dereference was found in pkg/proxy/envoy/v2/debug.go getResourceVersion in Istio pilot before 1.5.0-alpha.0. If a particular HTTP GET request is made to the pilot API endpoint, it is possible to cause the Go runtime to panic (resulting in a denial of service to the istio-pilot application).

CVSS Scores

version 3.1
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Snyk

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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NVD

6.5 medium
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Red Hat

6.5 medium