Use After Free Affecting libcurl package, versions <0:7.61.1-12.95.amzn1


Severity

Recommended
0.0
low
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
5.34% (93rd percentile)

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  • Snyk IDSNYK-AMZN201803-LIBCURL-1724698
  • published27 Sept 2021
  • disclosed14 Dec 2020

Introduced: 14 Dec 2020

CVE-2020-8231  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 libcurl to version 0:7.61.1-12.95.amzn1 or higher.
This issue was patched in ALAS-2020-1444.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl package and not the libcurl package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.

CVSS Base Scores

version 3.1