CVE-2022-1473 (GCVE-0-2022-1473)

Vulnerability from cvelistv5 – Published: 2022-05-03 15:15 – Updated: 2025-05-05 16:42
VLAI?
Title
Resource leakage when decoding certificates and keys
Summary
The OPENSSL_LH_flush() function, which empties a hash table, contains a bug that breaks reuse of the memory occuppied by the removed hash table entries. This function is used when decoding certificates or keys. If a long lived process periodically decodes certificates or keys its memory usage will expand without bounds and the process might be terminated by the operating system causing a denial of service. Also traversing the empty hash table entries will take increasingly more time. Typically such long lived processes might be TLS clients or TLS servers configured to accept client certificate authentication. The function was added in the OpenSSL 3.0 version thus older releases are not affected by the issue. Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2).
Severity ?
No CVSS data available.
CWE
  • Denial of Service
Assigner
References
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2)
Create a notification for this product.
Date Public ?
2022-05-03 00:00
Credits
Aliaksei Levin
Show details on NVD website
To clipboard 

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      "lastModified": "2024-11-21T06:40:47.593",
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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.openssl.org/news/secadv/20220503.txt\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=64c85430f95200b6b51fe9475bd5203f7c19daf1\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220602-0009/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.gentoo.org/glsa/202210-02\", \"name\": \"GLSA-202210-02\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-953464.pdf\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T00:03:06.287Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-1473\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-23T13:27:10.537811Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-459\", \"description\": \"CWE-459 Incomplete Cleanup\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-05T13:12:38.514Z\"}}], \"cna\": {\"title\": \"Resource leakage when decoding certificates and keys\", \"credits\": [{\"lang\": \"en\", \"value\": \"Aliaksei Levin\"}], \"metrics\": [{\"other\": {\"type\": \"unknown\", \"content\": {\"url\": \"https://www.openssl.org/policies/secpolicy.html#Low\", \"lang\": \"eng\", \"value\": \"Low\"}}}], \"affected\": [{\"vendor\": \"OpenSSL\", \"product\": \"OpenSSL\", \"versions\": [{\"status\": \"affected\", \"version\": \"Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2)\"}]}], \"datePublic\": \"2022-05-03T00:00:00.000Z\", \"references\": [{\"url\": \"https://www.openssl.org/news/secadv/20220503.txt\"}, {\"url\": \"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=64c85430f95200b6b51fe9475bd5203f7c19daf1\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220602-0009/\"}, {\"url\": \"https://security.gentoo.org/glsa/202210-02\", \"name\": \"GLSA-202210-02\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-953464.pdf\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The OPENSSL_LH_flush() function, which empties a hash table, contains a bug that breaks reuse of the memory occuppied by the removed hash table entries. This function is used when decoding certificates or keys. If a long lived process periodically decodes certificates or keys its memory usage will expand without bounds and the process might be terminated by the operating system causing a denial of service. Also traversing the empty hash table entries will take increasingly more time. Typically such long lived processes might be TLS clients or TLS servers configured to accept client certificate authentication. The function was added in the OpenSSL 3.0 version thus older releases are not affected by the issue. Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2).\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Denial of Service\"}]}], \"providerMetadata\": {\"orgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"shortName\": \"openssl\", \"dateUpdated\": \"2023-02-14T00:00:00.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-1473\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-05T16:42:05.402Z\", \"dateReserved\": \"2022-04-26T00:00:00.000Z\", \"assignerOrgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"datePublished\": \"2022-05-03T15:15:25.051Z\", \"assignerShortName\": \"openssl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
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.