DATABASE RESOURCES PRICING ABOUT US

{"id": "CVE-2021-41817", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-41817", "description": "Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.", "published": "2022-01-01T05:15:00", "modified": "2023-11-07T03:39:00", "epss": [{"cve": "CVE-2021-41817", "epss": 0.00153, "percentile": 0.51261, "modified": "2023-12-03"}], "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0}, "severity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-41817", "reporter": "cve@mitre.org", "references": ["https://hackerone.com/reports/1254844", "https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/"], "cvelist": ["CVE-2021-41817"], "immutableFields": [], "lastseen": "2023-12-03T15:59:59", "viewCount": 263, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:0543", "ALSA-2022:5779", "ALSA-2022:6447", "ALSA-2022:6450"]}, {"type": "alpinelinux", "idList": ["ALPINE:CVE-2021-41817"]}, {"type": "amazon", "idList": ["ALAS-2023-2345"]}, {"type": "cbl_mariner", "idList": ["CBLMARINER:7110"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:714404251D4CBACDA90207C7100D824F"]}, {"type": "debian", "idList": ["DEBIAN:DLA-2853-1:4865A", "DEBIAN:DSA-5066-1:E9961", "DEBIAN:DSA-5067-1:499C6"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-41817"]}, {"type": "f5", "idList": ["F5:K30272432"]}, {"type": "fedora", "idList": ["FEDORA:C2C88313366F", "FEDORA:DC4393134B34"]}, {"type": "freebsd", "idList": ["6916EA94-4628-11EC-BBE2-0800270512F4"]}, {"type": "github", "idList": ["GHSA-QG54-694P-WGPP"]}, {"type": "hackerone", "idList": ["H1:1404789"]}, {"type": "mageia", "idList": ["MGASA-2021-0579"]}, {"type": "nessus", "idList": ["AL2_ALAS-2023-2345.NASL", "AL2_ALASRUBY2_6-2023-002.NASL", "AL2_ALASRUBY3_0-2023-003.NASL", "ALMA_LINUX_ALSA-2022-0543.NASL", "ALMA_LINUX_ALSA-2022-5779.NASL", "ALMA_LINUX_ALSA-2022-6447.NASL", "CENTOS8_RHSA-2022-0543.NASL", "CENTOS8_RHSA-2022-5779.NASL", "CENTOS8_RHSA-2022-6447.NASL", "CENTOS8_RHSA-2022-6450.NASL", "DEBIAN_DLA-2853.NASL", "DEBIAN_DSA-5066.NASL", "DEBIAN_DSA-5067.NASL", "EULEROS_SA-2022-1676.NASL", "EULEROS_SA-2022-1951.NASL", "EULEROS_SA-2022-2588.NASL", "ORACLELINUX_ELSA-2022-0543.NASL", "ORACLELINUX_ELSA-2022-5779.NASL", "ORACLELINUX_ELSA-2022-6447.NASL", "ORACLELINUX_ELSA-2022-6450.NASL", "REDHAT-RHSA-2022-0543.NASL", "REDHAT-RHSA-2022-0544.NASL", "REDHAT-RHSA-2022-0581.NASL", "REDHAT-RHSA-2022-0582.NASL", "REDHAT-RHSA-2022-0708.NASL", "REDHAT-RHSA-2022-5779.NASL", "REDHAT-RHSA-2022-6447.NASL", "REDHAT-RHSA-2022-6450.NASL", "REDHAT-RHSA-2022-6855.NASL", "REDHAT-RHSA-2022-6856.NASL", "ROCKY_LINUX_RLSA-2022-0543.NASL", "ROCKY_LINUX_RLSA-2022-5779.NASL", "ROCKY_LINUX_RLSA-2022-6450.NASL", "SUSE_SU-2022-1512-1.NASL", "SUSE_SU-2023-4176-1.NASL", "UBUNTU_USN-5235-1.NASL"]}, {"type": "oraclelinux", "idList": ["ELSA-2022-0543", "ELSA-2022-5779", "ELSA-2022-6447", "ELSA-2022-6450"]}, {"type": "osv", "idList": ["OSV:CVE-2021-41817", "OSV:DSA-5066-1", "OSV:DSA-5067-1", "OSV:GHSA-QG54-694P-WGPP"]}, {"type": "prion", "idList": ["PRION:CVE-2021-41817"]}, {"type": "redhat", "idList": ["RHSA-2022:0543", "RHSA-2022:0544", "RHSA-2022:0581", "RHSA-2022:0582", "RHSA-2022:0708", "RHSA-2022:5779", "RHSA-2022:6447", "RHSA-2022:6450", "RHSA-2022:6855", "RHSA-2022:6856"]}, {"type": "redhatcve", "idList": ["RH:CVE-2021-41817"]}, {"type": "rocky", "idList": ["RLSA-2022:0543", "RLSA-2022:5779", "RLSA-2022:6447", "RLSA-2022:6450"]}, {"type": "suse", "idList": ["SUSE-SU-2022:1512-1"]}, {"type": "ubuntu", "idList": ["USN-5235-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-41817"]}, {"type": "veracode", "idList": ["VERACODE:32991"]}]}, "score": {"value": 7.3, "uncertanity": 0.2, "vector": "NONE"}, "backreferences": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:0543"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:714404251D4CBACDA90207C7100D824F"]}, {"type": "debian", "idList": ["DEBIAN:DLA-2853-1:4865A"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-41817"]}, {"type": "freebsd", "idList": ["6916EA94-4628-11EC-BBE2-0800270512F4"]}, {"type": "github", "idList": ["GHSA-QG54-694P-WGPP"]}, {"type": "hackerone", "idList": ["H1:1404789"]}, {"type": "nessus", "idList": ["CENTOS8_RHSA-2022-0543.NASL", "DEBIAN_DLA-2853.NASL", "ORACLELINUX_ELSA-2022-0543.NASL", "REDHAT-RHSA-2022-0543.NASL", "REDHAT-RHSA-2022-0544.NASL", "UBUNTU_USN-5235-1.NASL"]}, {"type": "oraclelinux", "idList": ["ELSA-2022-0543"]}, {"type": "redhat", "idList": ["RHSA-2022:0543", "RHSA-2022:0544"]}, {"type": "redhatcve", "idList": ["RH:CVE-2021-41817"]}, {"type": "ubuntu", "idList": ["USN-5235-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-41817"]}]}, "exploitation": null, "twitter": {"counter": 2, "tweets": [{"link": "https://twitter.com/threatintelctr/status/1568429593886875650", "text": " NEW: CVE-2021-41817 Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1. Severity: HIGH https://t.co/maf7Cwzr5l", "author": "threatintelctr", "author_photo": "https://pbs.twimg.com/profile_images/904224973987840000/dMy1x9Ho_400x400.jpg"}]}, "epss": [{"cve": "CVE-2021-41817", "epss": 0.00163, "percentile": 0.51483, "modified": "2023-05-03"}], "short_description": "CVE-2021-41817: ReDoS in Date Gem for Rub", "tags": ["cve", "2021", "41817", "redos", "date gem", "ruby", "nvd", "security vulnerability"], "vulnersScore": 7.3}, "_state": {"dependencies": 1701621683, "score": 1701619214, "twitter": 0, "affected_software_major_version": 0, "epss": 0, "chatgpt": 0}, "_internal": {"score_hash": "7ff2387fcb3eccfee2dbc545af2202d4", "chatgpt": "bcd8b0c2eb1fce714eab6cef0d771acc"}, "cna_cvss": {"cna": "mitre", "cvss": {}}, "cpe": ["cpe:/o:fedoraproject:fedora:34", "cpe:/o:redhat:enterprise_linux:8.0", "cpe:/o:debian:debian_linux:10.0", "cpe:/a:opensuse:factory:-", "cpe:/o:suse:linux_enterprise:12.0", "cpe:/o:suse:linux_enterprise:15.0", "cpe:/o:fedoraproject:fedora:35", "cpe:/a:ruby-lang:date:3.2.0", "cpe:/o:debian:debian_linux:11.0", "cpe:/a:redhat:software_collections:-", "cpe:/o:debian:debian_linux:9.0", "cpe:/o:redhat:enterprise_linux:7.0", "cpe:/o:opensuse:leap:15.2"], "cpe23": ["cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "cpe:2.3:o:suse:linux_enterprise:15.0:*:*:*:*:*:*:*", "cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*", "cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "cpe:2.3:a:ruby-lang:date:3.2.0:*:*:*:*:ruby:*:*"], "cwe": ["CWE-1333"], "affectedSoftware": [{"cpeName": "ruby-lang:date", "version": "3.1.2", "operator": "lt", "name": "ruby-lang date"}, {"cpeName": "ruby-lang:date", "version": "3.0.2", "operator": "lt", "name": "ruby-lang date"}, {"cpeName": "ruby-lang:date", "version": "2.0.1", "operator": "lt", "name": "ruby-lang date"}, {"cpeName": "ruby-lang:date", "version": "3.2.0", "operator": "eq", "name": "ruby-lang date"}, {"cpeName": "ruby-lang:ruby", "version": "3.0.3", "operator": "lt", "name": "ruby-lang ruby"}, {"cpeName": "ruby-lang:ruby", "version": "2.7.5", "operator": "lt", "name": "ruby-lang ruby"}, {"cpeName": "ruby-lang:ruby", "version": "2.6.9", "operator": "lt", "name": "ruby-lang ruby"}, {"cpeName": "redhat:enterprise_linux", "version": "7.0", "operator": "eq", "name": "redhat enterprise linux"}, {"cpeName": "redhat:enterprise_linux", "version": "8.0", "operator": "eq", "name": "redhat enterprise linux"}, {"cpeName": "redhat:software_collections", "version": "-", "operator": "eq", "name": "redhat software collections"}, {"cpeName": "fedoraproject:fedora", "version": "34", "operator": "eq", "name": "fedoraproject fedora"}, {"cpeName": "fedoraproject:fedora", "version": "35", "operator": "eq", "name": "fedoraproject fedora"}, {"cpeName": "debian:debian_linux", "version": "9.0", "operator": "eq", "name": "debian debian linux"}, {"cpeName": "debian:debian_linux", "version": "10.0", "operator": "eq", "name": "debian debian linux"}, {"cpeName": "debian:debian_linux", "version": "11.0", "operator": "eq", "name": "debian debian linux"}, {"cpeName": "suse:linux_enterprise", "version": "12.0", "operator": "eq", "name": "suse linux enterprise"}, {"cpeName": "suse:linux_enterprise", "version": "15.0", "operator": "eq", "name": "suse linux enterprise"}, {"cpeName": "opensuse:factory", "version": "-", "operator": "eq", "name": "opensuse factory"}, {"cpeName": "opensuse:leap", "version": "15.2", "operator": "eq", "name": "opensuse leap"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ruby-lang:date:3.1.2:*:*:*:*:ruby:*:*", "versionStartIncluding": "3.1.0", "versionEndExcluding": "3.1.2", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ruby-lang:date:3.0.2:*:*:*:*:ruby:*:*", "versionStartIncluding": "3.0.0", "versionEndExcluding": "3.0.2", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ruby-lang:date:2.0.1:*:*:*:*:ruby:*:*", "versionEndExcluding": "2.0.1", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ruby-lang:date:3.2.0:*:*:*:*:ruby:*:*", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:3.0.3:*:*:*:*:*:*:*", "versionStartIncluding": "3.0.0", "versionEndExcluding": "3.0.3", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:2.7.5:*:*:*:*:*:*:*", "versionStartIncluding": "2.7.0", "versionEndExcluding": "2.7.5", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:2.6.9:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.0", "versionEndExcluding": "2.6.9", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:o:suse:linux_enterprise:15.0:*:*:*:*:*:*:*", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:*", "cpe_name": []}, {"vulnerable": true, "cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://hackerone.com/reports/1254844", "name": "https://hackerone.com/reports/1254844", "refsource": "MISC", "tags": ["Permissions Required"]}, {"url": "https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/", "name": "https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/", "refsource": "CONFIRM", "tags": ["Exploit", "Vendor Advisory"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/", "name": "FEDORA-2022-82a9edac27", "refsource": "", "tags": []}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/", "name": "FEDORA-2022-8cf0124add", "refsource": "", "tags": []}], "product_info": [{"vendor": "Redhat", "product": "Software_collections"}, {"vendor": "Suse", "product": "Linux_enterprise"}, {"vendor": "Ruby-lang", "product": "Ruby"}, {"vendor": "Debian", "product": "Debian_linux"}, {"vendor": "Opensuse", "product": "Factory"}, {"vendor": "Ruby-lang", "product": "Date"}, {"vendor": "Opensuse", "product": "Leap"}, {"vendor": "Redhat", "product": "Enterprise_linux"}, {"vendor": "Fedoraproject", "product": "Fedora"}], "solutions": [], "workarounds": [], "impacts": [], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "exploits": [], "assigned": "2021-09-29T00:00:00"}

{"hackerone": [{"lastseen": "2023-10-17T07:27:42", "bounty": 0.0, "description": "Official report:\nhttps://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/\nCVE-2021-41817\n\nHere are the details from the official article:\n>\nDate\u2019s parsing methods including Date.parse are using Regexps internally, some of which are vulnerable against regular expression denial of service. Applications and libraries that apply such methods to untrusted input may be affected.\n>\nThe fix limits the input length up to 128 bytes by default instead of changing the regexps. This is because Date gem uses many Regexps and it is possible that there are still undiscovered vulnerable Regexps. For compatibility, it is allowed to remove the limitation by explicitly passing limit keywords as nil like Date.parse(str, limit: nil), but note that it may take a long time to parse.\n>\nPlease update the date gem to version 3.2.1, 3.1.2, 3.0.2, and 2.0.1, or later. You can use gem update date to update it. If you are using bundler, please add gem \"date\", \">= 3.2.1\" to your Gemfile.\n\nPlease let me know if any additional information is needed\n\n## Impact\n\nFull DoS when date parsing methods are used with untrusted input", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-11-19T00:37:38", "type": "hackerone", "title": "Internet Bug Bounty: Ruby - Regular Expression Denial of Service Vulnerability of Date Parsing Methods", "bulletinFamily": "bugbounty", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2021-11-19T15:50:21", "id": "H1:1404789", "href": "https://hackerone.com/reports/1404789", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "osv": [{"lastseen": "2023-08-09T15:05:48", "description": "Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.", "cvss3": {}, "published": "2022-01-01T05:15:00", "type": "osv", "title": "CVE-2021-41817", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2021-41817"], "modified": "2023-08-09T15:04:40", "id": "OSV:CVE-2021-41817", "href": "https://osv.dev/vulnerability/CVE-2021-41817", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-05-16T16:17:24", "description": "Date\u2019s parsing methods including Date.parse are using Regexps internally, some of which are vulnerable against regular expression denial of service. Applications and libraries that apply such methods to untrusted input may be affected.\n\nThe fix limits the input length up to 128 bytes by default instead of changing the regexps. This is because Date gem uses many Regexps and it is possible that there are still undiscovered vulnerable Regexps. For compatibility, it is allowed to remove the limitation by explicitly passing limit keywords as nil like Date.parse(str, limit: nil), but note that it may take a long time to parse.\n\nPlease update the date gem to version 3.2.1, 3.1.2, 3.0.2, and 2.0.1, or later. You can use gem update date to update it. If you are using bundler, please add gem \"date\", \">= 3.2.1\" to your Gemfile. If you import `date` from the standard library rather than as a gem you should update your Ruby install to `3.0.3`, `2.7.5`, `2.6.9` or later.\n\nUsers unable to upgrade may consider using `Date.strptime` instead with a predefined date format\n```ruby\nDate.strptime('2001-02-20', '%Y-%m-%d')\n```", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-11-16T00:32:30", "type": "osv", "title": "Regular expression denial of service vulnerability (ReDoS) in date", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2023-05-16T16:17:18", "id": "OSV:GHSA-QG54-694P-WGPP", "href": "https://osv.dev/vulnerability/GHSA-qg54-694p-wgpp", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-08-10T07:21:17", "description": "\nSeveral vulnerabilities have been discovered in the interpreter for\nthe Ruby language and the Rubygems included, which may result \nin information disclosure or denial of service.\n\n\nFor the stable distribution (bullseye), these problems have been fixed in\nversion 2.7.4-1+deb11u1.\n\n\nWe recommend that you upgrade your ruby2.7 packages.\n\n\nFor the detailed security status of ruby2.7 please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/ruby2.7](https://security-tracker.debian.org/tracker/ruby2.7)\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2022-02-03T00:00:00", "type": "osv", "title": "ruby2.7 - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817", "CVE-2021-41819", "CVE-2021-41816"], "modified": "2022-08-10T07:21:14", "id": "OSV:DSA-5067-1", "href": "https://osv.dev/vulnerability/DSA-5067-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2022-08-10T07:20:46", "description": "\nSeveral vulnerabilities have been discovered in the interpreter for the\nRuby language and the Rubygems included, which may result in\nXML roundtrip attacks, the execution of arbitrary code, information\ndisclosure, StartTLS stripping in IMAP or denial of service.\n\n\nFor the oldstable distribution (buster), these problems have been fixed\nin version 2.5.5-3+deb10u4.\n\n\nWe recommend that you upgrade your ruby2.5 packages.\n\n\nFor the detailed security status of ruby2.5 please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/ruby2.5](https://security-tracker.debian.org/tracker/ruby2.5)\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2022-02-03T00:00:00", "type": "osv", "title": "ruby2.5 - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817", "CVE-2021-41819", "CVE-2021-28965", "CVE-2021-31799", "CVE-2021-31810", "CVE-2021-32066"], "modified": "2022-08-10T07:20:43", "id": "OSV:DSA-5066-1", "href": "https://osv.dev/vulnerability/DSA-5066-1", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "redhatcve": [{"lastseen": "2023-12-03T20:46:30", "description": "A flaw was found in ruby, where the date object was found to be vulnerable to a regular expression denial of service (ReDoS) during the parsing of dates. This flaw allows an attacker to hang a ruby application by providing a specially crafted date string. The highest threat to this vulnerability is system availability.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-11-19T21:23:19", "type": "redhatcve", "title": "CVE-2021-41817", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2023-04-06T08:37:01", "id": "RH:CVE-2021-41817", "href": "https://access.redhat.com/security/cve/cve-2021-41817", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "debiancve": [{"lastseen": "2023-12-03T18:29:59", "description": "Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-01-01T05:15:00", "type": "debiancve", "title": "CVE-2021-41817", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2022-01-01T05:15:00", "id": "DEBIANCVE:CVE-2021-41817", "href": "https://security-tracker.debian.org/tracker/CVE-2021-41817", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "f5": [{"lastseen": "2023-05-24T12:03:45", "description": "Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1. ([CVE-2021-41817](<https://vulners.com/cve/CVE-2021-41817>))\n\nImpact\n\nThere is no impact; F5 products are not affected by this vulnerability.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-06-01T22:41:00", "type": "f5", "title": "RubyGems vulnerability CVE-2021-41817", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2022-06-01T22:41:00", "id": "F5:K30272432", "href": "https://support.f5.com/csp/article/K30272432", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "alpinelinux": [{"lastseen": "2023-12-03T16:03:19", "description": "Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-01-01T05:15:00", "type": "alpinelinux", "title": "CVE-2021-41817", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2023-11-07T03:39:00", "id": "ALPINE:CVE-2021-41817", "href": "https://security.alpinelinux.org/vuln/CVE-2021-41817", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "ubuntucve": [{"lastseen": "2023-12-05T13:46:37", "description": "Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular\nexpression Denial of Service) via a long string. The fixed versions are\n3.2.1, 3.1.2, 3.0.2, and 2.0.1.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-01-01T00:00:00", "type": "ubuntucve", "title": "CVE-2021-41817", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2022-01-01T00:00:00", "id": "UB:CVE-2021-41817", "href": "https://ubuntu.com/security/CVE-2021-41817", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "veracode": [{"lastseen": "2022-09-28T00:49:07", "description": "date is vulnerable to regular expression denial of service (ReDoS) attacks. An attacker is able to insert a specifically crafted input through the `date__parse` method via the `str` parameter resulting in denial of service conditions.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-11-17T06:57:56", "type": "veracode", "title": "Regular Expression Denial Of Service (ReDoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2022-05-08T06:26:10", "id": "VERACODE:32991", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-32991/summary", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "prion": [{"lastseen": "2023-11-22T01:03:51", "description": "Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.", "cvss3": {"cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}}, "published": "2022-01-01T05:15:00", "type": "prion", "title": "Design/Logic Flaw", "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2023-08-08T14:22:00", "id": "PRION:CVE-2021-41817", "href": "https://www.prio-n.com/kb/vulnerability/CVE-2021-41817", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "amazon": [{"lastseen": "2023-12-03T18:35:30", "description": "**Issue Overview:**\n\nA flaw was found in ruby, where the date object was found to be vulnerable to a regular expression denial of service (ReDoS) during the parsing of dates. This flaw allows an attacker to hang a ruby application by providing a specially crafted date string. The highest threat to this vulnerability is system availability. (CVE-2021-41817)\n\n \n**Affected Packages:** \n\n\nruby\n\n \n**Note:**\n\nThis advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this [FAQ section](<../../faqs.html#clarify-al2-advisories>) for the difference between AL2 Core and AL2 Extras advisories. \n\n \n**Issue Correction:** \nRun _yum update ruby_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n aarch64: \n \u00a0\u00a0\u00a0 ruby-2.0.0.648-36.amzn2.0.6.aarch64 \n \u00a0\u00a0\u00a0 ruby-devel-2.0.0.648-36.amzn2.0.6.aarch64 \n \u00a0\u00a0\u00a0 ruby-libs-2.0.0.648-36.amzn2.0.6.aarch64 \n \u00a0\u00a0\u00a0 rubygem-bigdecimal-1.2.0-36.amzn2.0.6.aarch64 \n \u00a0\u00a0\u00a0 rubygem-io-console-0.4.2-36.amzn2.0.6.aarch64 \n \u00a0\u00a0\u00a0 rubygem-json-1.7.7-36.amzn2.0.6.aarch64 \n \u00a0\u00a0\u00a0 rubygem-psych-2.0.0-36.amzn2.0.6.aarch64 \n \u00a0\u00a0\u00a0 ruby-tcltk-2.0.0.648-36.amzn2.0.6.aarch64 \n \u00a0\u00a0\u00a0 ruby-debuginfo-2.0.0.648-36.amzn2.0.6.aarch64 \n \n i686: \n \u00a0\u00a0\u00a0 ruby-2.0.0.648-36.amzn2.0.6.i686 \n \u00a0\u00a0\u00a0 ruby-devel-2.0.0.648-36.amzn2.0.6.i686 \n \u00a0\u00a0\u00a0 ruby-libs-2.0.0.648-36.amzn2.0.6.i686 \n \u00a0\u00a0\u00a0 rubygem-bigdecimal-1.2.0-36.amzn2.0.6.i686 \n \u00a0\u00a0\u00a0 rubygem-io-console-0.4.2-36.amzn2.0.6.i686 \n \u00a0\u00a0\u00a0 rubygem-json-1.7.7-36.amzn2.0.6.i686 \n \u00a0\u00a0\u00a0 rubygem-psych-2.0.0-36.amzn2.0.6.i686 \n \u00a0\u00a0\u00a0 ruby-tcltk-2.0.0.648-36.amzn2.0.6.i686 \n \u00a0\u00a0\u00a0 ruby-debuginfo-2.0.0.648-36.amzn2.0.6.i686 \n \n noarch: \n \u00a0\u00a0\u00a0 rubygems-2.0.14.1-36.amzn2.0.6.noarch \n \u00a0\u00a0\u00a0 rubygems-devel-2.0.14.1-36.amzn2.0.6.noarch \n \u00a0\u00a0\u00a0 rubygem-rake-0.9.6-36.amzn2.0.6.noarch \n \u00a0\u00a0\u00a0 ruby-irb-2.0.0.648-36.amzn2.0.6.noarch \n \u00a0\u00a0\u00a0 rubygem-rdoc-4.0.0-36.amzn2.0.6.noarch \n \u00a0\u00a0\u00a0 ruby-doc-2.0.0.648-36.amzn2.0.6.noarch \n \u00a0\u00a0\u00a0 rubygem-minitest-4.3.2-36.amzn2.0.6.noarch \n \n src: \n \u00a0\u00a0\u00a0 ruby-2.0.0.648-36.amzn2.0.6.src \n \n x86_64: \n \u00a0\u00a0\u00a0 ruby-2.0.0.648-36.amzn2.0.6.x86_64 \n \u00a0\u00a0\u00a0 ruby-devel-2.0.0.648-36.amzn2.0.6.x86_64 \n \u00a0\u00a0\u00a0 ruby-libs-2.0.0.648-36.amzn2.0.6.x86_64 \n \u00a0\u00a0\u00a0 rubygem-bigdecimal-1.2.0-36.amzn2.0.6.x86_64 \n \u00a0\u00a0\u00a0 rubygem-io-console-0.4.2-36.amzn2.0.6.x86_64 \n \u00a0\u00a0\u00a0 rubygem-json-1.7.7-36.amzn2.0.6.x86_64 \n \u00a0\u00a0\u00a0 rubygem-psych-2.0.0-36.amzn2.0.6.x86_64 \n \u00a0\u00a0\u00a0 ruby-tcltk-2.0.0.648-36.amzn2.0.6.x86_64 \n \u00a0\u00a0\u00a0 ruby-debuginfo-2.0.0.648-36.amzn2.0.6.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2021-41817](<https://access.redhat.com/security/cve/CVE-2021-41817>)\n\nMitre: [CVE-2021-41817](<https://vulners.com/cve/CVE-2021-41817>)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2023-11-09T19:19:00", "type": "amazon", "title": "Medium: ruby", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41817"], "modified": "2023-11-15T21:09:00", "id": "ALAS-2023-2345", "href": "https://alas.aws.amazon.com/AL2/ALAS-2023-2345.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "freebsd": [{"lastseen": "2023-12-03T16:50:38", "description": "\n\nStanislav Valkanov reports:\n\n\n\t Date's parsing methods including Date.parse\n\t are using Regexps internally, some of which are vulnerable\n\t against regular expression denial of service. 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{'reference':'rubygem-pg-debuginfo-1.1.4-1.module+el8.5.0+738+032c9c02', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-debugsource-1.1.4-1.module+el8.4.0+446+80b53620', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-debugsource-1.1.4-1.module+el8.4.0+446+80b53620', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-debugsource-1.1.4-1.module+el8.4.0+593+8d7f9f0c', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-debugsource-1.1.4-1.module+el8.4.0+593+8d7f9f0c', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-debugsource-1.1.4-1.module+el8.5.0+738+032c9c02', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-debugsource-1.1.4-1.module+el8.5.0+738+032c9c02', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-doc-1.1.4-1.module+el8.4.0+446+80b53620', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-doc-1.1.4-1.module+el8.4.0+593+8d7f9f0c', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-pg-doc-1.1.4-1.module+el8.5.0+738+032c9c02', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-power_assert-1.1.3-108.module+el8.5.0+738+032c9c02', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-psych-3.1.0-108.module+el8.5.0+738+032c9c02', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-psych-3.1.0-108.module+el8.5.0+738+032c9c02', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-psych-3.1.0-108.module+el8.5.0+738+032c9c02', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-psych-debuginfo-3.1.0-108.module+el8.5.0+738+032c9c02', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-psych-debuginfo-3.1.0-108.module+el8.5.0+738+032c9c02', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-psych-debuginfo-3.1.0-108.module+el8.5.0+738+032c9c02', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-rake-12.3.3-108.module+el8.5.0+738+032c9c02', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-rdoc-6.1.2.1-108.module+el8.5.0+738+032c9c02', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-test-unit-3.2.9-108.module+el8.5.0+738+032c9c02', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygem-xmlrpc-0.3.0-108.module+el8.5.0+738+032c9c02', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygems-3.0.3.1-108.module+el8.5.0+738+032c9c02', 'release':'8', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'rubygems-devel-3.0.3.1-108.module+el8.5.0+738+032c9c02', 'release':'8', 'rpm_spec_vers_cmp':TRUE}\n ]\n};\n\nvar flag = 0;\nvar appstreams_found = 0;\nforeach var module (keys(appstreams)) {\n var appstream = NULL;\n var appstream_name = NULL;\n var appstream_version = NULL;\n var appstream_split = split(module, sep:':', keep:FALSE);\n if (!empty_or_null(appstream_split)) {\n appstream_name = appstream_split[0];\n appstream_version = appstream_split[1];\n if (!empty_or_null(appstream_name)) appstream = get_one_kb_item('Host/RockyLinux/appstream/' + appstream_name);\n }\n if (!empty_or_null(appstream) && appstream_version == appstream || appstream_name == 'all') {\n appstreams_found++;\n foreach var package_array ( appstreams[module] ) {\n var reference = NULL;\n var _release = NULL;\n var sp = NULL;\n var _cpu = NULL;\n var el_string = NULL;\n var rpm_spec_vers_cmp = NULL;\n var epoch = NULL;\n var allowmaj = NULL;\n var exists_check = NULL;\n if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];\n if (!empty_or_null(package_array['release'])) _release = 'Rocky-' + package_array['release'];\n if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];\n if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];\n if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];\n if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];\n if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];\n if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];\n if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];\n if (reference && _release && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {\n if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;\n }\n }\n }\n}\n\nif (!appstreams_found) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module ruby:2.6');\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'ruby / ruby-debuginfo / ruby-debugsource / ruby-devel / ruby-doc / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-11-08T16:17:35", "description": "The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0581 advisory.\n\n - ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch? (CVE-2019-15845)\n\n - ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication (CVE-2019-16201)\n\n - ruby: HTTP response splitting in WEBrick (CVE-2019-16254)\n\n - ruby: Code injection via command argument of Shell#test / Shell#[] (CVE-2019-16255)\n\n - rubygem-json: Unsafe object creation vulnerability in JSON (CVE-2020-10663)\n\n - ruby: BasicSocket#read_nonblock method leads to information disclosure (CVE-2020-10933)\n\n - ruby: Potential HTTP request smuggling in WEBrick (CVE-2020-25613)\n\n - rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)\n\n - ruby: XML round-trip vulnerability in REXML (CVE-2021-28965)\n\n - rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)\n\n - ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)\n\n - ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)\n\n - ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)\n\n - ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2022-02-22T00:00:00", "type": "nessus", "title": "RHEL 8 : ruby:2.6 (RHSA-2022:0581)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2019-15845", "CVE-2019-16201", "CVE-2019-16254", "CVE-2019-16255", &q