CVE-2023-0465 (GCVE-0-2023-0465)

Vulnerability from cvelistv5 – Published: 2023-03-28 14:30 – Updated: 2025-02-18 20:12
VLAI
Title
Invalid certificate policies in leaf certificates are silently ignored
Summary
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' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function.
Severity
No CVSS data available.
CWE
  • improper certificate validation
Assigner
References
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: 3.1.0 , < 3.1.1 (semver)
Affected: 3.0.0 , < 3.0.9 (semver)
Affected: 1.1.1 , < 1.1.1u (custom)
Affected: 1.0.2 , < 1.0.2zh (custom)
Create a notification for this product.
Date Public
2023-03-23 00:00
Credits
David Benjamin (Google) Matt Caswell
Show details on NVD website
To clipboard 

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\"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Applications that use a non-default option when verifying certificates may be\\nvulnerable to an attack from a malicious CA to circumvent certain checks.\\n\\nInvalid certificate policies in leaf certificates are silently ignored by\\nOpenSSL and other certificate policy checks are skipped for that certificate.\\nA malicious CA could use this to deliberately assert invalid certificate policies\\nin order to circumvent policy checking on the certificate altogether.\\n\\nPolicy processing is disabled by default but can be enabled by passing\\nthe `-policy\u0027 argument to the command line utilities or by calling the\\n`X509_VERIFY_PARAM_set1_policies()\u0027 function.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Applications that use a non-default option when verifying certificates may be\u003cbr\u003evulnerable to an attack from a malicious CA to circumvent certain checks.\u003cbr\u003e\u003cbr\u003eInvalid certificate policies in leaf certificates are silently ignored by\u003cbr\u003eOpenSSL and other certificate policy checks are skipped for that certificate.\u003cbr\u003eA malicious CA could use this to deliberately assert invalid certificate policies\u003cbr\u003ein order to circumvent policy checking on the certificate altogether.\u003cbr\u003e\u003cbr\u003ePolicy processing is disabled by default but can be enabled by passing\u003cbr\u003ethe `-policy\u0027 argument to the command line utilities or by calling the\u003cbr\u003e`X509_VERIFY_PARAM_set1_policies()\u0027 function.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"improper certificate validation\"}]}], \"providerMetadata\": {\"orgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"shortName\": \"openssl\", \"dateUpdated\": \"2024-02-04T09:06:54.698Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-0465\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-18T20:12:50.266Z\", \"dateReserved\": \"2023-01-24T13:51:42.650Z\", \"assignerOrgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"datePublished\": \"2023-03-28T14:30:39.707Z\", \"assignerShortName\": \"openssl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.