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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libcurl package, versions <0:7.61.1-12.101.amzn1

medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.19% (56th percentile)
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NVD
7.5 high
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SUSE
3.7 low
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Red Hat
7.5 high

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  • Snyk ID SNYK-AMZN201803-LIBCURL-3157804
  • published 6 Dec 2022
  • disclosed 2 Jun 2022
Report a new vulnerability Found a mistake?

Introduced: 2 Jun 2022

CVE-2022-27781 Open this link in a new tab
CWE-835 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 libcurl to version 0:7.61.1-12.101.amzn1 or higher.
This issue was patched in ALAS-2022-1646.

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.

libcurl provides the CURLOPT_CERTINFO option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.