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Improper Certificate Validation Affecting openssl package, versions <1.1.1t-r2

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.17% (53rd percentile)
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NVD
5.3 medium
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SUSE
5.9 medium
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Red Hat
5.3 medium

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  • Snyk ID SNYK-ALPINE315-OPENSSL-5291790
  • published 29 Mar 2023
  • disclosed 28 Mar 2023
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Introduced: 28 Mar 2023

CVE-2023-0465 Open this link in a new tab
CWE-295 Open this link in a new tab

How to fix?

Upgrade Alpine:3.15 openssl to version 1.1.1t-r2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Alpine. See How to fix? for Alpine:3.15 relevant fixed versions and status.

Applications that use a non-default option when verifying certificates may be vulnerable to an attack from a malicious CA to circumvent certain checks.

Invalid certificate policies in leaf certificates are silently ignored by OpenSSL and other certificate policy checks are skipped for that certificate. A malicious CA could use this to deliberately assert invalid certificate policies in order to circumvent policy checking on the certificate altogether.

Policy processing is disabled by default but can be enabled by passing the -policy&#39; argument to the command line utilities or by calling the X509_VERIFY_PARAM_set1_policies()' function.