{"id":"CVE-2023-26433","state":"PUBLISHED","title":"When adding an external mail account, processing of IMAP \"capabilities\" responses are not limited to plausible sizes. Attacker with access to a rogue IMAP service could trigger req","description":"When adding an external mail account, processing of IMAP \"capabilities\" responses are not limited to plausible sizes. Attacker with access to a rogue IMAP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted IMAP server response to reasonable length/size. No publicly available exploits are known.\n\n","publishedAt":"2023-06-20T07:51:50.177Z","updatedAt":"2024-08-02T11:46:24.671Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","source":"OX"},"assigner":"OX","products":["OX Software GmbH OX App Suite"],"affected":[{"vendor":"OX Software GmbH","product":"OX App Suite","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.10.6-rev39","versionType":"semver"},{"version":"0","status":"affected","lessThanOrEqual":"8.10","versionType":"semver"}],"modules":["backend"]}],"references":["https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6219_7.10.6_2023-03-20.pdf","https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0002.json","http://seclists.org/fulldisclosure/2023/Jun/8","http://packetstormsecurity.com/files/173083/OX-App-Suite-SSRF-Resource-Consumption-Command-Injection.html"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/26xxx/CVE-2023-26433.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-26433","state":"PUBLISHED","datePublished":"2023-06-20T07:51:50.177Z","dateUpdated":"2024-08-02T11:46:24.671Z","assignerShortName":"OX","assignerOrgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","dateReserved":"2023-02-22T20:42:56.089Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"When adding an external mail account, processing of IMAP \"capabilities\" responses are not limited to plausible sizes. Attacker with access to a rogue IMAP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted IMAP server response to reasonable length/size. No publicly available exploits are known.\n\n"}],"affected":[{"vendor":"OX Software GmbH","product":"OX App Suite","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.10.6-rev39","versionType":"semver"},{"version":"0","status":"affected","lessThanOrEqual":"8.10","versionType":"semver"}],"modules":["backend"]}],"references":[{"url":"https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6219_7.10.6_2023-03-20.pdf","tags":["release-notes"]},{"url":"https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0002.json","tags":["vendor-advisory"]},{"url":"http://seclists.org/fulldisclosure/2023/Jun/8"},{"url":"http://packetstormsecurity.com/files/173083/OX-App-Suite-SSRF-Resource-Consumption-Command-Injection.html"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"OX","orgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","dateUpdated":"2024-01-12T07:14:03.915Z"},"source":{"defect":["MWB-2047"],"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://software.open-xchange.com/products/appsuite/doc/Release_Notes_for_Patch_Release_6219_7.10.6_2023-03-20.pdf","tags":["release-notes","x_transferred"]},{"url":"https://documentation.open-xchange.com/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0002.json","tags":["vendor-advisory","x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2023/Jun/8","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/173083/OX-App-Suite-SSRF-Resource-Consumption-Command-Injection.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T11:46:24.671Z"}}]}}}