{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-26438","assignerOrgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","state":"PUBLISHED","assignerShortName":"OX","dateReserved":"2023-02-22T20:42:56.090Z","datePublished":"2023-08-02T12:22:59.459Z","dateUpdated":"2024-08-02T11:46:24.656Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["backend"],"product":"OX App Suite","vendor":"OX Software GmbH","versions":[{"lessThanOrEqual":"7.10.6-rev42","status":"affected","version":"0","versionType":"semver"},{"lessThanOrEqual":"8.10","status":"affected","version":"0","versionType":"semver"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>External service lookups for a number of protocols were vulnerable to a time-of-check/time-of-use (TOCTOU) weakness, involving the JDK DNS cache. Attackers that were timing DNS cache expiry correctly were able to inject configuration that would bypass existing network deny-lists. Attackers could exploit this weakness to discover the existence of restricted network infrastructure and service availability. Improvements were made to include deny-lists not only during the check of the provided connection data, but also during use. No publicly available exploits are known.</p>"}],"value":"External service lookups for a number of protocols were vulnerable to a time-of-check/time-of-use (TOCTOU) weakness, involving the JDK DNS cache. Attackers that were timing DNS cache expiry correctly were able to inject configuration that would bypass existing network deny-lists. Attackers could exploit this weakness to discover the existence of restricted network infrastructure and service availability. Improvements were made to include deny-lists not only during the check of the provided connection data, but also during use. No publicly available exploits are known.\n\n"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","shortName":"OX","dateUpdated":"2024-01-12T07:13:21.611Z"},"references":[{"tags":["release-notes"],"url":"https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6230_7.10.6_2023-05-02.pdf"},{"tags":["vendor-advisory"],"url":"https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0003.json"},{"url":"http://seclists.org/fulldisclosure/2023/Aug/8"},{"url":"http://packetstormsecurity.com/files/173943/OX-App-Suite-SSRF-SQL-Injection-Cross-Site-Scripting.html"}],"source":{"defect":["MWB-1877"],"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T11:46:24.656Z"},"title":"CVE Program Container","references":[{"tags":["release-notes","x_transferred"],"url":"https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6230_7.10.6_2023-05-02.pdf"},{"tags":["vendor-advisory","x_transferred"],"url":"https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0003.json"},{"url":"http://seclists.org/fulldisclosure/2023/Aug/8","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/173943/OX-App-Suite-SSRF-SQL-Injection-Cross-Site-Scripting.html","tags":["x_transferred"]}]}]}}