Information Exposure Affecting libcurl package, versions <0:7.79.1-2.amzn2.0.1


Severity

Recommended
medium

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.29% (70th percentile)

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  • Snyk ID SNYK-AMZN2-LIBCURL-2808773
  • published 6 May 2022
  • disclosed 2 Jun 2022

How to fix?

Upgrade Amazon-Linux:2 libcurl to version 0:7.79.1-2.amzn2.0.1 or higher.
This issue was patched in ALAS2-2022-1792.

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:2 relevant fixed versions and status.

An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in the connection pool but with a different zone id it could reuse a connection instead.

CVSS Scores

version 3.1
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NVD

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

7.5 high
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SUSE

5.6 medium