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{"id": "UB:CVE-2018-18651", "vendorId": null, "type": "ubuntucve", "bulletinFamily": "info", "title": "CVE-2018-18651", "description": "An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc\nallows attackers to launch a denial of service (hang caused by large loop)\nvia a specific pdf file, as demonstrated by pdftohtml. This is mainly\ncaused by a large number after the /Count field in the file.\n\n#### Notes\n\nAuthor| Note \n---|--- \n[jdstrand](<https://launchpad.net/~jdstrand>) | xpdf in koffice is 2.0 \n[mdeslaur](<https://launchpad.net/~mdeslaur>) | no indication this affects poppler\n", "published": "2018-10-25T00:00:00", "modified": "2018-10-25T00:00:00", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3}, "severity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "cvss3": {"cvssV3": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 1.8, "impactScore": 3.6}, "href": "https://ubuntu.com/security/CVE-2018-18651", "reporter": "ubuntu.com", "references": ["https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18651", "https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747", "https://nvd.nist.gov/vuln/detail/CVE-2018-18651", "https://launchpad.net/bugs/cve/CVE-2018-18651", "https://security-tracker.debian.org/tracker/CVE-2018-18651"], "cvelist": ["CVE-2018-18651"], "immutableFields": [], "lastseen": "2023-01-27T14:04:06", "viewCount": 5, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2018-18651"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2018-18651"]}], "rev": 4}, "score": {"value": 4.7, "vector": "NONE"}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2018-18651"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2018-18651"]}]}, "exploitation": null, "vulnersScore": 4.7}, "_state": {"dependencies": 1674828322, "score": 1674830054}, "_internal": {"score_hash": "624fe9baadae27a2813c4c1b9b5ceada"}, "affectedPackage": [{"OS": "ubuntu", "OSVersion": "20.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "ipe"}, {"OS": "ubuntu", "OSVersion": "22.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "ipe"}, {"OS": "ubuntu", "OSVersion": "upstream", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "ipe"}, {"OS": "ubuntu", "OSVersion": "14.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "does not exist", "packageName": "ipe"}, {"OS": "ubuntu", "OSVersion": "upstream", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "ipe"}, {"OS": "ubuntu", "OSVersion": "16.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "ipe"}, {"OS": "ubuntu", "OSVersion": "20.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "libextractor"}, {"OS": "ubuntu", "OSVersion": "22.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "libextractor"}, {"OS": "ubuntu", "OSVersion": "upstream", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "libextractor"}, {"OS": "ubuntu", "OSVersion": "14.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "libextractor"}, {"OS": "ubuntu", "OSVersion": "upstream", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "libextractor"}, {"OS": "ubuntu", "OSVersion": "16.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "needs triage", "packageName": "libextractor"}, {"OS": "ubuntu", "OSVersion": "14.04", "arch": "noarch", "packageVersion": "any", "packageFilename": "UNKNOWN", "operator": "lt", "status": "does not exist", "packageName": "xpdf"}], "bugs": []}

{"debiancve": [{"lastseen": "2022-07-04T06:03:11", "description": "An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 3.6}, "published": "2018-10-25T13:29:00", "type": "debiancve", "title": "CVE-2018-18651", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-18651"], "modified": "2018-10-25T13:29:00", "id": "DEBIANCVE:CVE-2018-18651", "href": "https://security-tracker.debian.org/tracker/CVE-2018-18651", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}], "cve": [{"lastseen": "2022-03-23T15:01:28", "description": "An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 3.6}, "published": "2018-10-25T13:29:00", "type": "cve", "title": "CVE-2018-18651", "cwe": ["CWE-834"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-18651"], "modified": "2019-10-03T00:03:00", "cpe": ["cpe:/a:xpdfreader:xpdf:4.00"], "id": "CVE-2018-18651", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-18651", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*"]}]}