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{"id": "CVE-2021-42614", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-42614", "description": "A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.", "published": "2022-05-24T19:15:00", "modified": "2022-11-04T16:45:00", "epss": [{"cve": "CVE-2021-42614", "epss": 0.00053, "percentile": 0.19365, "modified": "2023-05-23"}], "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 6.8}, "severity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-42614", "reporter": "cve@mitre.org", "references": ["https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf", "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/"], "cvelist": ["CVE-2021-42614"], "immutableFields": [], "lastseen": "2023-05-23T15:46:42", "viewCount": 43, "enchantments": {"twitter": {"counter": 4, "tweets": [{"link": "https://twitter.com/CVEnew/status/1529186778569228291", "text": "CVE-2021-42614 A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document. https://t.co/VfrTdaftV1", "author": "CVEnew", "author_photo": "https://pbs.twimg.com/profile_images/1447927972393111557/PQRMlVvZ_400x400.jpg"}, {"link": "https://twitter.com/www_sesin_at/status/1532687529668972544", "text": "New post from https://t.co/9KYxtdZjkl (CVE-2021-42614 (halibut)) has been published on https://t.co/8pfcQ74cYO", "author": "www_sesin_at", "author_photo": "https://pbs.twimg.com/profile_images/958100963822329858/fb_N8h5n_400x400.jpg"}, {"link": "https://twitter.com/WolfgangSesin/status/1532687527890780161", "text": "New post from https://t.co/uXvPWJyEiR (CVE-2021-42614 (halibut)) has been published on https://t.co/6ObPgsVFFY", "author": "WolfgangSesin", "author_photo": "https://pbs.twimg.com/profile_images/957011635369054208/Om3jbj7z_400x400.jpg"}]}, "score": {"value": 5.1, "vector": "NONE"}, "dependencies": {"references": [{"type": "debiancve", "idList": ["DEBIANCVE:CVE-2021-42614"]}, {"type": "fedora", "idList": ["FEDORA:7552030B1D09"]}, {"type": "mageia", "idList": ["MGASA-2022-0237"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2021-42614"]}, {"type": "veracode", "idList": ["VERACODE:35937"]}]}, "affected_software": {"major_version": [{"name": "halibut project halibut", "version": 1}, {"name": "fedoraproject fedora", "version": 35}]}, "epss": [{"cve": "CVE-2021-42614", "epss": 0.00053, "percentile": 0.19323, "modified": "2023-05-02"}], "vulnersScore": 5.1}, "_state": {"twitter": 0, "score": 1684856904, "dependencies": 1685076568, "affected_software_major_version": 0, "epss": 0}, "_internal": {"score_hash": "61a3a5baba253e88000394ca94429060"}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": ["cpe:/o:fedoraproject:fedora:35", "cpe:/a:halibut_project:halibut:1.2"], "cpe23": ["cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "cpe:2.3:a:halibut_project:halibut:1.2:*:*:*:*:*:*:*"], "cwe": ["CWE-416"], "affectedSoftware": [{"cpeName": "halibut_project:halibut", "version": "1.2", "operator": "eq", "name": "halibut project halibut"}, {"cpeName": "fedoraproject:fedora", "version": "35", "operator": "eq", "name": "fedoraproject fedora"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:halibut_project:halibut:1.2:*:*:*:*:*:*:*", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf", "name": "https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf", "refsource": "MISC", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/", "name": "FEDORA-2022-9a9abd295b", "refsource": "FEDORA", "tags": ["Mailing List", "Third Party Advisory"]}], "product_info": [{"vendor": "Fedoraproject", "product": "Fedora"}, {"vendor": "Halibut_project", "product": "Halibut"}], "solutions": [], "workarounds": [], "impacts": [], "exploits": [], "problemTypes": []}

{"ubuntucve": [{"lastseen": "2023-05-24T13:19:35", "description": "A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows\nan attacker to cause a segmentation fault or possibly have unspecified\nother impact via a crafted text document.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-05-24T00:00:00", "type": "ubuntucve", "title": "CVE-2021-42614", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-42614"], "modified": "2022-05-24T00:00:00", "id": "UB:CVE-2021-42614", "href": "https://ubuntu.com/security/CVE-2021-42614", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "debiancve": [{"lastseen": "2023-05-24T10:09:42", "description": "A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-05-24T19:15:00", "type": "debiancve", "title": "CVE-2021-42614", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-42614"], "modified": "2022-05-24T19:15:00", "id": "DEBIANCVE:CVE-2021-42614", "href": "https://security-tracker.debian.org/tracker/CVE-2021-42614", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "veracode": [{"lastseen": "2023-05-24T14:06:05", "description": "halibut is vulnerable to denial of service. The vulnerability exists due to a use after free in info_width_internal in bk_info.c allowing an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-06-11T19:16:25", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-42614"], "modified": "2022-11-04T18:42:28", "id": "VERACODE:35937", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-35937/summary", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "fedora": [{"lastseen": "2023-05-23T16:36:21", "description": "Halibut is yet another text formatting system, intended primarily for writing software documentation. It accepts a single source format and outputs a variety of formats, planned to include text, HTML, Texinfo, Windows Help, Windows HTMLHelp, PostScript and PDF. It has comprehensive indexing and cross-referencing support, and generates hyperlinks within output documents wherever possible. ", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-06-16T01:27:41", "type": "fedora", "title": "[SECURITY] Fedora 35 Update: halibut-1.3-3.fc35", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-42612", "CVE-2021-42613", "CVE-2021-42614"], "modified": "2022-06-16T01:27:41", "id": "FEDORA:7552030B1D09", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "mageia": [{"lastseen": "2023-05-23T16:24:18", "description": "Use-after-free in cleanup_index() in index.c (CVE-2021-42612) Double free in cleanup_index() in index.c (CVE-2021-42613) Use-after-free in info_width_internal() in bk_info.c (CVE-2021-42614) \n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2022-06-18T21:30:41", "type": "mageia", "title": "Updated halibut packages fix security vulnerability\n", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-42612", "CVE-2021-42613", "CVE-2021-42614"], "modified": "2022-06-18T21:30:41", "id": "MGASA-2022-0237", "href": "https://advisories.mageia.org/MGASA-2022-0237.html", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}]}