Improper Certificate Validation Affecting libcurl-devel package, versions <0:7.79.1-4.amzn2.0.1


Severity

medium

    Threat Intelligence

    EPSS
    0.19% (57th percentile)

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  • Snyk ID SNYK-AMZN2-LIBCURLDEVEL-2950344
  • published 15 Jul 2022
  • disclosed 2 Jun 2022

How to fix?

Upgrade Amazon-Linux:2 libcurl-devel to version 0:7.79.1-4.amzn2.0.1 or higher.
This issue was patched in ALAS2-2022-1808.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl-devel package and not the libcurl-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.

CVSS Scores

version 3.1
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Snyk

7.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
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NVD

7.5 high
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SUSE

7.5 high
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Red Hat

7.5 high