Allocation of Resources Without Limits or Throttling Affecting libcurl-minimal package, versions <0:7.87.0-2.amzn2023.0.2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-AMZN2023-LIBCURLMINIMAL-3348281
  • published7 Mar 2023
  • disclosed7 Jul 2022

Introduced: 7 Jul 2022

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

How to fix?

Upgrade Amazon-Linux:2023 libcurl-minimal to version 0:7.87.0-2.amzn2023.0.2 or higher.
This issue was patched in ALAS2023-2023-083.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl-minimal package and not the libcurl-minimal package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 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