CVE-2008-1891

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "matchCriteriaId": "A27D6CAC-0E72-4C5A-9712-0DDD726EB3F0", "versionEndIncluding": "1.9.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.5:*:*:*:*:*:*:*", "matchCriteriaId": "C80BDE13-9CBB-4A5F-9BF4-BEB907CED271", "vulnerable": true}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:*:*:*:*:*:*:*", "matchCriteriaId": "876B2575-4F81-4A70-9A88-9BEE44649626", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Directory traversal vulnerability in WEBrick in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2, when using NTFS or FAT filesystems, allows remote attackers to read arbitrary CGI files via a trailing (1) + (plus), (2) %2b (encoded plus), (3) . (dot), (4) %2e (encoded dot), or (5) %20 (encoded space) character in the URI, possibly related to the WEBrick::HTTPServlet::FileHandler and WEBrick::HTTPServer.new functionality and the :DocumentRoot option."}, {"lang": "es", "value": "Una vulnerabilidad de salto de directorio en WEBrick en Ruby versi\u00f3n 1.8.4 y anteriores, versi\u00f3n 1.8.5 anterior a 1.8.5-p231, versi\u00f3n 1.8.6 anterior a 1.8.6-p230, versi\u00f3n 1.8.7 anterior a 1.8.7-p22, y versi\u00f3n 1.9.0 anterior a 1.9.0-2, cuando se utilizan sistemas de archivos NTFS o FAT, permite a los atacantes remotos leer archivos CGI arbitrarios por medio de un trailing (1) + (m\u00e1s), (2) %2b (m\u00e1s codificado), (3) . (punto), (4) %2e (punto codificado) o (5) %20 (espacio codificado) en el URI, posiblemente relacionado con la funci\u00f3n WEBrick::HTTPServlet::FileHandler y WEBrick::HTTPServer.new y la opci\u00f3n :DocumentRoot."}], "id": "CVE-2008-1891", "lastModified": "2026-06-16T22:52:42.007", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2008-04-18T22:05:00.000", "references": [{"source": "cve@mitre.org", "url": "http://aluigi.altervista.org/adv/webrickcgi-adv.txt"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/29794"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/30831"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/31687"}, {"source": "cve@mitre.org", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:140"}, {"source": "cve@mitre.org", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:141"}, {"source": "cve@mitre.org", "url": "http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/"}, {"source": "cve@mitre.org", "url": "http://www.vupen.com/english/advisories/2008/1245/references"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41824"}, {"source": "cve@mitre.org", "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://aluigi.altervista.org/adv/webrickcgi-adv.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/29794"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/30831"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/31687"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:140"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:141"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2008/1245/references"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41824"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2008-1891\n\nThe risks associated with fixing this flaw outweigh the benefits of the fix. Red Hat does not plan to fix this flaw in Red Hat Enterprise Linux.", "lastModified": "2009-06-10T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "ruby: WEBrick CGI source disclosure", "id": "443829", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=443829"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "status": "draft"}, "details": ["Directory traversal vulnerability in WEBrick in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2, when using NTFS or FAT filesystems, allows remote attackers to read arbitrary CGI files via a trailing (1) + (plus), (2) %2b (encoded plus), (3) . (dot), (4) %2e (encoded dot), or (5) %20 (encoded space) character in the URI, possibly related to the WEBrick::HTTPServlet::FileHandler and WEBrick::HTTPServer.new functionality and the :DocumentRoot option."], "name": "CVE-2008-1891", "public_date": "2008-04-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2008-1891"], "statement": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2008-1891\nThe risks associated with fixing this flaw outweigh the benefits of the fix. Red Hat does not plan to fix this flaw in Red Hat Enterprise Linux.", "threat_severity": "Low"}

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