{"containers": {"cna": {"affected": [{"product": "websocket-extensions (ruby)", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions prior to 0.1.5"}]}], "datePublic": "2020-06-02T00:00:00", "descriptions": [{"lang": "en", "value": "websocket-extensions ruby module prior to 0.1.5 allows Denial of Service (DoS) via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other character. This could be abused by an attacker to conduct Regex Denial Of Service (ReDoS) on a single-threaded server by providing a malicious payload with the Sec-WebSocket-Extensions header."}], "problemTypes": [{"descriptions": [{"description": "Regular Expression Denial of Service (ReDoS)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-09-17T14:27:33", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/faye/websocket-extensions-ruby/security/advisories/GHSA-g6wq-qcwm-j5g2"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/faye/websocket-extensions-ruby/commit/aa156a439da681361ed6f53f1a8131892418838b"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.jcoglan.com/2020/06/02/redos-vulnerability-in-websocket-extensions"}, {"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-RUBY-WEBSOCKETEXTENSIONS-570830"}, {"name": "[debian-lts-announce] 20200819 [SECURITY] [DLA 2334-1] ruby-websocket-extensions security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00031.html"}, {"name": "USN-4502-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4502-1/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "ID": "CVE-2020-7663", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "websocket-extensions (ruby)", "version": {"version_data": [{"version_value": "All versions prior to 0.1.5"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "websocket-extensions ruby module prior to 0.1.5 allows Denial of Service (DoS) via Regex Backtracking. The extension parser may take quadratic time when parsing a header containing an unclosed string parameter value whose content is a repeating two-byte sequence of a backslash and some other character. This could be abused by an attacker to conduct Regex Denial Of Service (ReDoS) on a single-threaded server by providing a malicious payload with the Sec-WebSocket-Extensions header."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Regular Expression Denial of Service (ReDoS)"}]}]}, "references": {"reference_data": [{"name": "https://github.com/faye/websocket-extensions-ruby/security/advisories/GHSA-g6wq-qcwm-j5g2", "refsource": "MISC", "url": "https://github.com/faye/websocket-extensions-ruby/security/advisories/GHSA-g6wq-qcwm-j5g2"}, {"name": "https://github.com/faye/websocket-extensions-ruby/commit/aa156a439da681361ed6f53f1a8131892418838b", "refsource": "MISC", "url": "https://github.com/faye/websocket-extensions-ruby/commit/aa156a439da681361ed6f53f1a8131892418838b"}, {"name": "https://blog.jcoglan.com/2020/06/02/redos-vulnerability-in-websocket-extensions", "refsource": "MISC", "url": "https://blog.jcoglan.com/2020/06/02/redos-vulnerability-in-websocket-extensions"}, {"name": "https://snyk.io/vuln/SNYK-RUBY-WEBSOCKETEXTENSIONS-570830", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-RUBY-WEBSOCKETEXTENSIONS-570830"}, {"name": "[debian-lts-announce] 20200819 [SECURITY] [DLA 2334-1] ruby-websocket-extensions security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00031.html"}, {"name": "USN-4502-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4502-1/"}]}}}}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2020-7663", "datePublished": "2020-06-02T18:25:01", "dateReserved": "2020-01-21T00:00:00", "dateUpdated": "2020-09-17T14:27:33", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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