Improper Input Validation Affecting etcd package, versions <0:3.3.23-3.1.el8ost.1


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.14% (51st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL8-ETCD-4376735
  • published11 Aug 2021
  • disclosed21 May 2021

Introduced: 21 May 2021

CVE-2021-33197  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:8 etcd to version 0:3.3.23-3.1.el8ost.1 or higher.
This issue was patched in RHSA-2021:5072.

NVD Description

Note: Versions mentioned in the description apply only to the upstream etcd package and not the etcd package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

CVSS Scores

version 3.1