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There is a heap-based buffer over-read in the freexl::destroy_cell function.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2018-02-23T21:29:00", "type": "debiancve", "title": "CVE-2018-7435", "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-2018-7435"], "modified": "2018-02-23T21:29:00", "id": "DEBIANCVE:CVE-2018-7435", "href": "https://security-tracker.debian.org/tracker/CVE-2018-7435", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "ubuntucve": [{"lastseen": "2023-05-27T13:53:02", "description": "An issue was discovered in FreeXL before 1.0.5. There is a heap-based\nbuffer over-read in the freexl::destroy_cell function.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2018-02-23T00:00:00", "type": "ubuntucve", "title": "CVE-2018-7435", "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-2018-7435"], "modified": "2018-02-23T00:00:00", "id": "UB:CVE-2018-7435", "href": "https://ubuntu.com/security/CVE-2018-7435", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "osv": [{"lastseen": "2022-08-05T05:18:10", "description": "\nLeon reported five heap-based buffer-overflow vulnerabilities in FreeXL.\n\n\n* [CVE-2018-7435](https://security-tracker.debian.org/tracker/CVE-2018-7435)\nThere is a heap-based buffer over-read in the freexl::destroy\\_cell\n function.\n* [CVE-2018-7436](https://security-tracker.debian.org/tracker/CVE-2018-7436)\nThere is a heap-based buffer over-read in a pointer dereference of\n the parse\\_SST function.\n* [CVE-2018-7437](https://security-tracker.debian.org/tracker/CVE-2018-7437)\nThere is a heap-based buffer over-read in a memcpy call of the\n parse\\_SST function.\n* [CVE-2018-7438](https://security-tracker.debian.org/tracker/CVE-2018-7438)\nThere is a heap-based buffer over-read in the parse\\_unicode\\_string\n function.\n* [CVE-2018-7439](https://security-tracker.debian.org/tracker/CVE-2018-7439)\nThere is a heap-based buffer over-read in the function\n read\\_mini\\_biff\\_next\\_record.\n\n\nFor Debian 7 Wheezy, these problems have been fixed in version\n1.0.0b-1+deb7u5.\n\n\nWe recommend that you upgrade your freexl packages.\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-03-01T00:00:00", "type": "osv", "title": "freexl - 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CVE-2018-7435
