CVE-2020-17518

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E", "name": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261@%3Cuser.flink.apache.org%3E", "name": "[flink-user] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261@%3Cdev.flink.apache.org%3E", "name": "[flink-dev] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261@%3Cannounce.apache.org%3E", "name": "[announce] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "http://www.openwall.com/lists/oss-security/2021/01/05/1", "name": "[oss-security] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210106 [GitHub] [flink-web] zentol commented on a change in pull request #408: Add security page for Flink", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rd6a1a0e2d73220a65a8f6535bbcd24bb66adb0d046c4a1aa18777cf3@%3Cdev.flink.apache.org%3E", "name": "[flink-dev] 20210106 [jira] [Created] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r8167f30c4c60a11b8d5be3f55537beeda629be61196e693bde403b36@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210106 [jira] [Created] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r0b000dc028616d33cb9aa388eb45d516b789cab0024dad94bc06588a@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210107 [jira] [Updated] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r705fb2211b82c9f1f8d2b1d4c823bcbca50402ba09b96608ec657efe@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210107 [jira] [Closed] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r5444acac3407ef6397d6aef1b5aec2db53b4b88ef221e63084c1e5f2@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210107 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r710693b0d3b229c81f485804ea1145b4edda79c9e77d66c39a0a2ff1@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210112 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f@%3Cdev.flink.apache.org%3E", "name": "[flink-dev] 20210113 Re: [DISCUSS] Releasing Apache Flink 1.10.3", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r7b2ee88c66fc1d0823e66475631f5c3e7f0365204ff0cb094d9f2433@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210114 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rec0d650fbd4ea1a5e1224a347d83a63cb44291c334ad58b8809bc23b@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210114 [jira] [Closed] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rf8812a5703f4a5f1341138baf239258b250875699732cfdf9d55b21d@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210114 [jira] [Updated] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rcb9e8af775f2a3706b69153aefde78f208871649df057c70ce2e24f9@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210114 [jira] [Comment Edited] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rfe159ccf496d75813f24c6079c5d33872d83f5a2e39cb32c3aef5a73@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210114 [jira] [Reopened] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r4a87837518804b31eb9db3048347ed2bb7b46fbaad5844f22a9fd4dc@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210114 [jira] [Commented] (FLINK-20875) [CVE-2020-17518] Directory traversal attack: remote file writing through the REST API", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r88200d2f0b620c6b4b1585a7171355005c89e678b01d0e71a16c57e7@%3Cissues.flink.apache.org%3E", "name": "[flink-issues] 20210114 [jira] [Updated] (FLINK-20875) [CVE-2020-17518] Directory traversal attack: remote file writing through the REST API", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1@%3Cdev.flink.apache.org%3E", "name": "[flink-dev] 20210115 Re: [DISCUSS] Releasing Apache Flink 1.10.3", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/rd2467344f88bcaf108b8209ca92da8ec393c68174bfb8c27d1e20faa@%3Cdev.flink.apache.org%3E", "name": "[flink-dev] 20210121 Re: [VOTE] Release 1.10.3, release candidate #1", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922@%3Cannounce.apache.org%3E", "name": "[announce] 20210125 Apache Software Foundation Security Report: 2020", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7@%3Cannounce.apache.org%3E", "name": "[announce] 20210223 Re: Apache Software Foundation Security Report: 2020", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "refsource": "MLIST"}, {"url": "https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d@%3Cuser-zh.flink.apache.org%3E", "name": "https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d@%3Cuser-zh.flink.apache.org%3E", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-22"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-17518", "ASSIGNER": "security@apache.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2021-01-05T12:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:apache:flink:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.11.3", "versionStartIncluding": "1.5.1"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-03-18T12:05Z"}