{"containers":{"cna":{"affected":[{"product":"jsx-slack","vendor":"yhatt","versions":[{"status":"affected","version":"< 4.5.1"}]}],"descriptions":[{"lang":"en","value":"jsx-slack is a library for building JSON objects for Slack Block Kit surfaces from JSX. In versions prior to 4.5.1 users are vulnerable to a regular expression denial-of-service (ReDoS) attack. If attacker can put a lot of JSX elements into `<blockquote>` tag, an internal regular expression for escaping characters may consume an excessive amount of computing resources. jsx-slack v4.5.1 has patched to a regex for escaping blockquote characters. Users are advised to upgrade as soon as possible."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-12-17T18:20:11.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/yhatt/jsx-slack/security/advisories/GHSA-55xv-f85c-248q"},{"tags":["x_refsource_MISC"],"url":"https://github.com/yhatt/jsx-slack/commit/36e4a10405e4c7745333e245fcc5029c02c7065d"}],"source":{"advisory":"GHSA-55xv-f85c-248q","discovery":"UNKNOWN"},"title":"Regular Expression Denial of Service (ReDoS) in jsx-slack","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-43838","STATE":"PUBLIC","TITLE":"Regular Expression Denial of Service (ReDoS) in jsx-slack"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"jsx-slack","version":{"version_data":[{"version_value":"< 4.5.1"}]}}]},"vendor_name":"yhatt"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"jsx-slack is a library for building JSON objects for Slack Block Kit surfaces from JSX. In versions prior to 4.5.1 users are vulnerable to a regular expression denial-of-service (ReDoS) attack. If attacker can put a lot of JSX elements into `<blockquote>` tag, an internal regular expression for escaping characters may consume an excessive amount of computing resources. jsx-slack v4.5.1 has patched to a regex for escaping blockquote characters. Users are advised to upgrade as soon as possible."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-400: Uncontrolled Resource Consumption"}]}]},"references":{"reference_data":[{"name":"https://github.com/yhatt/jsx-slack/security/advisories/GHSA-55xv-f85c-248q","refsource":"CONFIRM","url":"https://github.com/yhatt/jsx-slack/security/advisories/GHSA-55xv-f85c-248q"},{"name":"https://github.com/yhatt/jsx-slack/commit/36e4a10405e4c7745333e245fcc5029c02c7065d","refsource":"MISC","url":"https://github.com/yhatt/jsx-slack/commit/36e4a10405e4c7745333e245fcc5029c02c7065d"}]},"source":{"advisory":"GHSA-55xv-f85c-248q","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T04:10:16.268Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/yhatt/jsx-slack/security/advisories/GHSA-55xv-f85c-248q"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/yhatt/jsx-slack/commit/36e4a10405e4c7745333e245fcc5029c02c7065d"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-43838","datePublished":"2021-12-17T18:20:11.000Z","dateReserved":"2021-11-16T00:00:00.000Z","dateUpdated":"2024-08-04T04:10:16.268Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}