Allocation of Resources Without Limits or Throttling Affecting container-tools:rhel8/crun package, versions <0:1.8.1-2.module+el8.8.0+18418+f0e540fe


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.29% (70th percentile)

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  • Snyk IDSNYK-RHEL8-CONTAINERTOOLS-5567173
  • published16 Jan 2023
  • disclosed30 Nov 2022

Introduced: 30 Nov 2022

CVE-2022-41717  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade RHEL:8 container-tools:rhel8/crun to version 0:1.8.1-2.module+el8.8.0+18418+f0e540fe or higher.
This issue was patched in RHSA-2023:2758.

NVD Description

Note: Versions mentioned in the description apply only to the upstream container-tools:rhel8/crun package and not the container-tools:rhel8/crun package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.

References

CVSS Scores

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