{ "CVE_data_meta": { "ASSIGNER": "security@apache.org", "ID": "CVE-2021-40110", "STATE": "PUBLIC", "TITLE": "Apache James IMAP vulnerable to a ReDoS" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Apache James", "version": { "version_data": [ { "version_affected": "<=", "version_name": "Apache James", "version_value": "3.6.0" } ] } } ] }, "vendor_name": "Apache Software Foundation" } ] } }, "credit": [ { "lang": "eng", "value": "Apache James PMC would like to thanks Benoit TELLIER for this report." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a Denial Of Service using a vulnerable Regular expression. This affected Apache James prior to 3.6.1 We recommend upgrading to Apache James 3.6.1 or higher , which enforce the use of RE2J regular expression engine to execute regex in linear time without back-tracking." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": [ { "other": "moderate" } ], "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Regular expression Denial of service" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2022/01/04/2", "name": "https://www.openwall.com/lists/oss-security/2022/01/04/2" }, { "refsource": "MLIST", "name": "[oss-security] 20220104 CVE-2021-40110: Apache James IMAP vulnerable to a ReDoS", "url": "http://www.openwall.com/lists/oss-security/2022/01/04/2" } ] }, "source": { "defect": [ "JAMES-3635" ], "discovery": "UNKNOWN" } }