Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/8434?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8434?format=api", "vulnerability_id": "VCID-bv9s-j5yk-m3aw", "summary": "WEBrick Improper Input Validation vulnerability\nWEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.", "aliases": [ { "alias": "CVE-2009-4492" }, { "alias": "GHSA-6mq2-37j5-w6r6" }, { "alias": "OSV-61774" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/74671?format=api", "purl": "pkg:ebuild/dev-lang/ruby@1.8.7_p249", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/dev-lang/ruby@1.8.7_p249" }, { "url": "http://public2.vulnerablecode.io/api/packages/25135?format=api", "purl": "pkg:gem/webrick@1.4.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3wgz-s6g4-n3fk" }, { "vulnerability": "VCID-pay9-phaz-bbde" }, { "vulnerability": "VCID-vcz9-dvf4-47am" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/webrick@1.4.0" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/50471?format=api", "purl": "pkg:gem/webrick@1.3.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3wgz-s6g4-n3fk" }, { "vulnerability": "VCID-91b7-xx8t-rqhr" }, { "vulnerability": "VCID-bv9s-j5yk-m3aw" }, { "vulnerability": "VCID-pay9-phaz-bbde" }, { "vulnerability": "VCID-vcz9-dvf4-47am" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/webrick@1.3.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/134716?format=api", "purl": "pkg:gem/webrick@1.4.0.beta1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3wgz-s6g4-n3fk" }, { "vulnerability": "VCID-91b7-xx8t-rqhr" }, { "vulnerability": "VCID-bv9s-j5yk-m3aw" }, { "vulnerability": "VCID-pay9-phaz-bbde" }, { "vulnerability": "VCID-vcz9-dvf4-47am" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/webrick@1.4.0.beta1" }, { "url": "http://public2.vulnerablecode.io/api/packages/127321?format=api", "purl": "pkg:rpm/redhat/ruby@1.8.1-16?arch=el4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ukz-9357-aqb6" }, { "vulnerability": "VCID-bv9s-j5yk-m3aw" }, { "vulnerability": "VCID-nxub-6qsu-hbhk" }, { "vulnerability": "VCID-t1p6-1u4n-gybf" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/ruby@1.8.1-16%3Farch=el4" }, { "url": "http://public2.vulnerablecode.io/api/packages/127322?format=api", "purl": "pkg:rpm/redhat/ruby@1.8.5-19.el5_6?arch=1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ukz-9357-aqb6" }, { "vulnerability": "VCID-bv9s-j5yk-m3aw" }, { "vulnerability": "VCID-nxub-6qsu-hbhk" }, { "vulnerability": "VCID-rh8q-s45v-xbhg" }, { "vulnerability": "VCID-t1p6-1u4n-gybf" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/ruby@1.8.5-19.el5_6%3Farch=1" }, { "url": "http://public2.vulnerablecode.io/api/packages/130657?format=api", "purl": "pkg:ruby/ruby@1.8.7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-4yvc-uzev-wua4" }, { "vulnerability": "VCID-5bte-uex2-f7du" }, { "vulnerability": "VCID-8fbf-8fea-27d9" }, { "vulnerability": "VCID-94vg-kqhg-qfdv" }, { "vulnerability": "VCID-9gp6-pvw1-ufhs" }, { "vulnerability": "VCID-9ukz-9357-aqb6" }, { "vulnerability": "VCID-a15m-bcma-vfa7" }, { "vulnerability": "VCID-bv9s-j5yk-m3aw" }, { "vulnerability": "VCID-c9sy-czbr-tfer" }, { "vulnerability": "VCID-ea13-mua4-1fb9" }, { "vulnerability": "VCID-fw7k-88kf-1kgg" }, { "vulnerability": "VCID-jx79-wpg7-2yaa" }, { "vulnerability": "VCID-mzqm-gc4w-fbfp" }, { "vulnerability": "VCID-nsa4-b31c-37g2" }, { "vulnerability": "VCID-pegr-f5mh-ekdz" }, { "vulnerability": "VCID-qjwb-ph9u-bubf" }, { "vulnerability": "VCID-xtny-ychb-fff1" }, { "vulnerability": "VCID-ynyp-ybd9-57df" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ruby/ruby@1.8.7" }, { "url": "http://public2.vulnerablecode.io/api/packages/130652?format=api", "purl": "pkg:ruby/ruby@1.8.8", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2ww6-w1k6-xqbp" }, { "vulnerability": "VCID-4yvc-uzev-wua4" }, { "vulnerability": "VCID-5bte-uex2-f7du" }, { "vulnerability": "VCID-8fbf-8fea-27d9" }, { "vulnerability": "VCID-9gp6-pvw1-ufhs" }, { "vulnerability": "VCID-9ukz-9357-aqb6" }, { "vulnerability": "VCID-a15m-bcma-vfa7" }, { "vulnerability": "VCID-ar57-vndq-yka6" }, { "vulnerability": "VCID-bjts-v9q2-9yg8" }, { "vulnerability": "VCID-bv9s-j5yk-m3aw" }, { "vulnerability": "VCID-c9sy-czbr-tfer" }, { "vulnerability": "VCID-ea13-mua4-1fb9" }, { "vulnerability": "VCID-fw7k-88kf-1kgg" }, { "vulnerability": "VCID-jx79-wpg7-2yaa" }, { "vulnerability": "VCID-mzqm-gc4w-fbfp" }, { "vulnerability": "VCID-nsa4-b31c-37g2" }, { "vulnerability": "VCID-nxub-6qsu-hbhk" }, { "vulnerability": "VCID-pegr-f5mh-ekdz" }, { "vulnerability": "VCID-qjwb-ph9u-bubf" }, { "vulnerability": "VCID-r8r3-3x8p-ebh5" }, { "vulnerability": "VCID-rh8q-s45v-xbhg" }, { "vulnerability": "VCID-weh8-bs3g-a3hp" }, { "vulnerability": "VCID-xtny-ychb-fff1" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ruby/ruby@1.8.8" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2009-4492.json", "reference_id": "", "reference_type": "", "scores": [], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2009-4492.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2009-4492", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95174", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95099", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95105", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95107", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.9511", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95118", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95121", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95123", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95124", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95125", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95136", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95142", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95152", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95157", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95163", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95076", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95086", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95087", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95089", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.17685", "scoring_system": "epss", "scoring_elements": "0.95096", "published_at": "2026-04-08T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2009-4492" }, { "reference_url": "https://github.com/ruby/webrick", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ruby/webrick" }, { "reference_url": "https://web.archive.org/web/20100113155532/http://www.vupen.com/english/advisories/2010/0089", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://web.archive.org/web/20100113155532/http://www.vupen.com/english/advisories/2010/0089" }, { "reference_url": "https://web.archive.org/web/20100815010948/http://secunia.com/advisories/37949", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://web.archive.org/web/20100815010948/http://secunia.com/advisories/37949" }, { "reference_url": "https://web.archive.org/web/20170402100552/http://securitytracker.com/id?1023429", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://web.archive.org/web/20170402100552/http://securitytracker.com/id?1023429" }, { "reference_url": "https://web.archive.org/web/20170908140655/http://www.securityfocus.com/archive/1/508830/100/0/threaded", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://web.archive.org/web/20170908140655/http://www.securityfocus.com/archive/1/508830/100/0/threaded" }, { "reference_url": "https://web.archive.org/web/20200228145937/http://www.securityfocus.com/bid/37710", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://web.archive.org/web/20200228145937/http://www.securityfocus.com/bid/37710" }, { "reference_url": "http://www.redhat.com/support/errata/RHSA-2011-0908.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.redhat.com/support/errata/RHSA-2011-0908.html" }, { "reference_url": "http://www.redhat.com/support/errata/RHSA-2011-0909.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.redhat.com/support/errata/RHSA-2011-0909.html" }, { "reference_url": "http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection" }, { "reference_url": "http://www.ush.it/team/ush/hack_httpd_escape/adv.txt", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.ush.it/team/ush/hack_httpd_escape/adv.txt" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=554485", "reference_id": "554485", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=554485" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2009-4492", "reference_id": "CVE-2009-4492", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2009-4492" }, { "reference_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/remote/33489.txt", "reference_id": "CVE-2009-4492;OSVDB-61774", "reference_type": "exploit", "scores": [], "url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/remote/33489.txt" }, { "reference_url": "https://www.securityfocus.com/bid/37710/info", "reference_id": "CVE-2009-4492;OSVDB-61774", "reference_type": "exploit", "scores": [], "url": "https://www.securityfocus.com/bid/37710/info" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2009-4492.yml", "reference_id": "CVE-2009-4492.YML", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2009-4492.yml" }, { "reference_url": "https://github.com/advisories/GHSA-6mq2-37j5-w6r6", "reference_id": "GHSA-6mq2-37j5-w6r6", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-6mq2-37j5-w6r6" }, { "reference_url": "https://security.gentoo.org/glsa/201001-09", "reference_id": "GLSA-201001-09", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/201001-09" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2011:0908", "reference_id": "RHSA-2011:0908", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2011:0908" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2011:0909", "reference_id": "RHSA-2011:0909", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2011:0909" }, { "reference_url": "https://usn.ubuntu.com/900-1/", "reference_id": "USN-900-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/900-1/" } ], "weaknesses": [ { "cwe_id": 20, "name": "Improper Input Validation", "description": "The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." } ], "exploits": [ { "date_added": "2010-01-11", "description": "Ruby 1.9.1 - WEBrick 'Terminal Escape Sequence in Logs' Command Injection", "required_action": null, "due_date": null, "notes": null, "known_ransomware_campaign_use": true, "source_date_published": "2010-01-11", "exploit_type": "remote", "platform": "multiple", "source_date_updated": "2016-12-21", "data_source": "Exploit-DB", "source_url": "https://www.securityfocus.com/bid/37710/info" } ], "severity_range_score": "4.0 - 6.9", "exploitability": "2.0", "weighted_severity": "6.2", "risk_score": 10.0, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-bv9s-j5yk-m3aw" }