{"containers":{"cna":{"affected":[{"product":"Apache Roller","vendor":"Apache Software Foundation","versions":[{"lessThan":"6.0.2","status":"affected","version":"Apache Roller","versionType":"custom"}]}],"credits":[{"lang":"en","value":"Apache Roller would like to thank Ed Ra (https://github.com/edvraa) for reporting this."}],"descriptions":[{"lang":"en","value":"User controlled `request.getHeader(\"Referer\")`, `request.getRequestURL()` and `request.getQueryString()` are used to build and run a regex expression. The attacker doesn't have to use a browser and may send a specially crafted Referer header programmatically. Since the attacker controls the string and the regex pattern he may cause a ReDoS by regex catastrophic backtracking on the server side. This problem has been fixed in Roller 6.0.2."}],"metrics":[{"other":{"content":{"other":"Low: This attack will only work if Banned-words Referrer processing is turned on in Roller and it is off-by-default."},"type":"unknown"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-08-18T08:06:23.000Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["x_refsource_MISC"],"url":"https://lists.apache.org/thread.html/r9d967d80af941717573e531db2c7353a90bfd0886e9b5d5d79f75506%40%3Cuser.roller.apache.org%3E"},{"name":"[oss-security] 20210817 CVE-2021-33580: Apache Roller: regex injection leading to DoS","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2021/08/18/1"}],"source":{"discovery":"UNKNOWN"},"title":"regex injection leading to DoS","workarounds":[{"lang":"en","value":"This problem has been fixed in Roller 6.0.2. If you are not able to upgrade then you can \"work around\" the problem.\n\nIf Banned-Words Referrer processing is enabled and you are concerned about this type of attack then disable it.\n\nIn the Roller properties, set this property site.bannedwordslist.enable.referrers=false"}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@apache.org","ID":"CVE-2021-33580","STATE":"PUBLIC","TITLE":"regex injection leading to DoS"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Apache Roller","version":{"version_data":[{"version_affected":"<","version_name":"Apache Roller","version_value":"6.0.2"}]}}]},"vendor_name":"Apache Software Foundation"}]}},"credit":[{"lang":"eng","value":"Apache Roller would like to thank Ed Ra (https://github.com/edvraa) for reporting this."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"User controlled `request.getHeader(\"Referer\")`, `request.getRequestURL()` and `request.getQueryString()` are used to build and run a regex expression. 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If you are not able to upgrade then you can \"work around\" the problem.\n\nIf Banned-Words Referrer processing is enabled and you are concerned about this type of attack then disable it.\n\nIn the Roller properties, set this property site.bannedwordslist.enable.referrers=false"}]}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T23:50:43.188Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://lists.apache.org/thread.html/r9d967d80af941717573e531db2c7353a90bfd0886e9b5d5d79f75506%40%3Cuser.roller.apache.org%3E"},{"name":"[oss-security] 20210817 CVE-2021-33580: Apache Roller: regex injection leading to DoS","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2021/08/18/1"}]}]},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2021-33580","datePublished":"2021-08-18T07:50:10.000Z","dateReserved":"2021-05-26T00:00:00.000Z","dateUpdated":"2024-08-03T23:50:43.188Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}