{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-2975", "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "state": "PUBLISHED", "assignerShortName": "openssl", "dateReserved": "2023-05-30T10:29:34.539Z", "datePublished": "2023-07-14T11:16:25.151Z", "dateUpdated": "2023-07-14T11:16:25.151Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "OpenSSL", "vendor": "OpenSSL", "versions": [{"lessThan": "3.1.2", "status": "affected", "version": "3.1.0", "versionType": "semver"}, {"lessThan": "3.0.10", "status": "affected", "version": "3.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "reporter", "user": "00000000-0000-4000-9000-000000000000", "value": "Juerg Wullschleger (Google)"}, {"lang": "en", "type": "remediation developer", "user": "00000000-0000-4000-9000-000000000000", "value": "Tomas Mraz"}], "datePublic": "2023-07-07T00:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Issue summary: The AES-SIV cipher implementation contains a bug that causes<br>it to ignore empty associated data entries which are unauthenticated as<br>a consequence.<br><br>Impact summary: Applications that use the AES-SIV algorithm and want to<br>authenticate empty data entries as associated data can be mislead by removing<br>adding or reordering such empty entries as these are ignored by the OpenSSL<br>implementation. We are currently unaware of any such applications.<br><br>The AES-SIV algorithm allows for authentication of multiple associated<br>data entries along with the encryption. To authenticate empty data the<br>application has to call EVP_EncryptUpdate() (or EVP_CipherUpdate()) with<br>NULL pointer as the output buffer and 0 as the input buffer length.<br>The AES-SIV implementation in OpenSSL just returns success for such a call<br>instead of performing the associated data authentication operation.<br>The empty data thus will not be authenticated.<br><br>As this issue does not affect non-empty associated data authentication and<br>we expect it to be rare for an application to use empty associated data<br>entries this is qualified as Low severity issue."}], "value": "Issue summary: The AES-SIV cipher implementation contains a bug that causes\nit to ignore empty associated data entries which are unauthenticated as\na consequence.\n\nImpact summary: Applications that use the AES-SIV algorithm and want to\nauthenticate empty data entries as associated data can be mislead by removing\nadding or reordering such empty entries as these are ignored by the OpenSSL\nimplementation. We are currently unaware of any such applications.\n\nThe AES-SIV algorithm allows for authentication of multiple associated\ndata entries along with the encryption. To authenticate empty data the\napplication has to call EVP_EncryptUpdate() (or EVP_CipherUpdate()) with\nNULL pointer as the output buffer and 0 as the input buffer length.\nThe AES-SIV implementation in OpenSSL just returns success for such a call\ninstead of performing the associated data authentication operation.\nThe empty data thus will not be authenticated.\n\nAs this issue does not affect non-empty associated data authentication and\nwe expect it to be rare for an application to use empty associated data\nentries this is qualified as Low severity issue."}], "metrics": [{"format": "other", "other": {"content": {"text": "Low"}, "type": "https://www.openssl.org/policies/secpolicy.html"}}], "problemTypes": [{"descriptions": [{"description": "Insufficient Verification of Data Authenticity", "lang": "en"}]}], "providerMetadata": {"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5", "shortName": "openssl", "dateUpdated": "2023-07-14T11:16:25.151Z"}, "references": [{"name": "OpenSSL Advisory", "tags": ["vendor-advisory"], "url": "https://www.openssl.org/news/secadv/20230714.txt"}, {"name": "3.1.2 git commit", "tags": ["patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=6a83f0c958811f07e0d11dfc6b5a6a98edfd5bdc"}, {"name": "3.0.10 git commit", "tags": ["patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=00e2f5eea29994d19293ec4e8c8775ba73678598"}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/15/1"}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/19/5"}, {"url": "https://security.netapp.com/advisory/ntap-20230725-0004/"}, {"url": "https://security.gentoo.org/glsa/202402-08"}], "source": {"discovery": "UNKNOWN"}, "title": "AES-SIV implementation ignores empty associated data entries", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "45FCBAF4-984A-4A86-ACE3-44AA47BD1A49", "versionEndIncluding": "3.0.9", "versionStartIncluding": "3.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "matchCriteriaId": "2B459D2F-ABCF-4C74-ABB6-01F8C836E348", "versionEndIncluding": "3.1.1", "versionStartIncluding": "3.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:netapp:management_services_for_element_software_and_netapp_hci:-:*:*:*:*:*:*:*", "matchCriteriaId": "FDAC85F0-93AF-4BE3-AE1A-8ADAF1CDF9AB", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*", "matchCriteriaId": "E7CF3019-975D-40BB-A8A4-894E62BD3797", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Issue summary: The AES-SIV cipher implementation contains a bug that causes\nit to ignore empty associated data entries which are unauthenticated as\na consequence.\n\nImpact summary: Applications that use the AES-SIV algorithm and want to\nauthenticate empty data entries as associated data can be mislead by removing\nadding or reordering such empty entries as these are ignored by the OpenSSL\nimplementation. We are currently unaware of any such applications.\n\nThe AES-SIV algorithm allows for authentication of multiple associated\ndata entries along with the encryption. To authenticate empty data the\napplication has to call EVP_EncryptUpdate() (or EVP_CipherUpdate()) with\nNULL pointer as the output buffer and 0 as the input buffer length.\nThe AES-SIV implementation in OpenSSL just returns success for such a call\ninstead of performing the associated data authentication operation.\nThe empty data thus will not be authenticated.\n\nAs this issue does not affect non-empty associated data authentication and\nwe expect it to be rare for an application to use empty associated data\nentries this is qualified as Low severity issue."}], "id": "CVE-2023-2975", "lastModified": "2024-02-04T09:15:09.773", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-07-14T12:15:09.023", "references": [{"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2023/07/15/1"}, {"source": "openssl-security@openssl.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2023/07/19/5"}, {"source": "openssl-security@openssl.org", "tags": ["Patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=00e2f5eea29994d19293ec4e8c8775ba73678598"}, {"source": "openssl-security@openssl.org", "tags": ["Patch"], "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=6a83f0c958811f07e0d11dfc6b5a6a98edfd5bdc"}, {"source": "openssl-security@openssl.org", "url": "https://security.gentoo.org/glsa/202402-08"}, {"source": "openssl-security@openssl.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20230725-0004/"}, {"source": "openssl-security@openssl.org", "tags": ["Vendor Advisory"], "url": "https://www.openssl.org/news/secadv/20230714.txt"}], "sourceIdentifier": "openssl-security@openssl.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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