Show plain JSON{"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", "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. 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."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": [{"other": "Low: This attack will only work if Banned-words Referrer processing is turned on in Roller and it is off-by-default."}], "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400 Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://lists.apache.org/thread.html/r9d967d80af941717573e531db2c7353a90bfd0886e9b5d5d79f75506%40%3Cuser.roller.apache.org%3E", "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", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/08/18/1"}]}, "source": {"discovery": "UNKNOWN"}, "work_around": [{"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"}]}}, "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", "dateReserved": "2021-05-26T00:00:00", "dateUpdated": "2024-08-03T23:50:43.188Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"} 
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