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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:msweet:pdfio:*:*:*:*:*:*:*:*", "matchCriteriaId": "53530967-EB0E-4D7F-AABF-73B68A9133E7", "versionEndExcluding": "1.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PDFio is a simple C library for reading and writing PDF files. There is a denial of service (DOS) vulnerability in the TTF parser. Maliciously crafted TTF files can cause the program to utilize 100% of the Memory and enter an infinite loop. This can also lead to a heap-buffer-overflow vulnerability. An infinite loop occurs in the read_camp function by nGroups value. The ttf.h library is vulnerable. A value called nGroups is extracted from the file, and by changing that value, you can cause the program to utilize 100% of the Memory and enter an infinite loop. If the value of nGroups in the file is small, an infinite loop will not occur. This library, whether used as a standalone binary or as part of another application, is vulnerable to DOS attacks when parsing certain types of files. Automated systems, including web servers that use this code to convert PDF submissions into plaintext, can be DOSed if an attacker uploads a malicious TTF file. This issue has been addressed in release version 1.3.1. All users are advised to upgrade. There are no known workarounds for this vulnerability."}, {"lang": "es", "value": "PDFio es una librer\u00eda C sencilla para leer y escribir archivos PDF. Hay una vulnerabilidad de denegaci\u00f3n de servicio (DOS) en el analizador TTF. Los archivos TTF creados con fines malintencionados pueden hacer que el programa utilice el 100 % de la memoria y entre en un bucle infinito. Esto tambi\u00e9n puede provocar una vulnerabilidad de desbordamiento del b\u00fafer del mont\u00f3n. Se produce un bucle infinito en la funci\u00f3n read_camp por el valor de nGroups. La librer\u00eda ttf.h es vulnerable. Se extrae del archivo un valor llamado nGroups y, al cambiar ese valor, puede hacer que el programa utilice el 100% de la memoria e ingrese en un bucle infinito. Si el valor de nGroups en el archivo es peque\u00f1o, no se producir\u00e1 un bucle infinito. Esta librer\u00eda, ya sea que se use como binario independiente o como parte de otra aplicaci\u00f3n, es vulnerable a ataques de DOS al analizar ciertos tipos de archivos. Los sistemas automatizados, incluidos los servidores web que utilizan este c\u00f3digo para convertir env\u00edos de PDF en texto plano, pueden recibir DOS si un atacante carga un archivo TTF malicioso. Este problema se solucion\u00f3 en la versi\u00f3n 1.3.1. Se recomienda a todos los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad."}], "id": "CVE-2024-42358", "lastModified": "2024-08-12T18:50:20.967", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2024-08-06T17:15:54.103", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/michaelrsweet/pdfio/commit/e4e1c39578279386b0ab9f9ac14b20a8bad4f935"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/michaelrsweet/pdfio/security/advisories/GHSA-4hh9-j68x-8353"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-835"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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