Allocation of Resources Without Limits or Throttling Affecting curl package, versions <0:7.61.1-22.el8_6.4


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-RHEL8-CURL-4297357
  • published28 Jun 2022
  • disclosed27 Jun 2022

Introduced: 27 Jun 2022

CVE-2022-32206  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade RHEL:8 curl to version 0:7.61.1-22.el8_6.4 or higher.
This issue was patched in RHSA-2022:6159.

NVD Description

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

curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.

CVSS Scores

version 3.1