CVE-2023-45677

{"id": "CVE-2023-45677", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 3.9}]}, "published": "2023-10-21T00:15:09.347", "references": [{"url": "https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L3652-L3658", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L3653", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L3658", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L3670C7-L3670C75", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L950-L961", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://securitylab.github.com/advisories/GHSL-2023-145_GHSL-2023-151_stb_image_h/", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger out of bounds write in `f->vendor[len] = (char)'\\0';`. The root cause is that if `len` read in `start_decoder` is a negative number and `setup_malloc` successfully allocates memory in that case, but memory write is done with a negative index `len`. Similarly if len is INT_MAX the integer overflow len+1 happens in `f->vendor = (char*)setup_malloc(f, sizeof(char) * (len+1));` and `f->comment_list[i] = (char*)setup_malloc(f, sizeof(char) * (len+1));`. This issue may lead to code execution."}, {"lang": "es", "value": "stb_vorbis es una librer\u00eda de archivo \u00fanico con licencia MIT para procesar archivos ogg vorbis. Un archivo manipulado puede provocar una escritura fuera de l\u00edmites en `f->vendor[len] = (char)'\\0';`. La causa principal es que si `len` le\u00eddo en `start_decoder` es un n\u00famero negativo y `setup_malloc` asigna memoria exitosamente en ese caso, pero la escritura en memoria se realiza con un \u00edndice negativo `len`. De manera similar, si len es INT_MAX, el desbordamiento de enteros len+1 ocurre en `f->vendor = (char*)setup_malloc(f, sizeof(char) * (len+1));` y `f->comment_list[i] = (char*)setup_malloc(f, tama\u00f1o de(char) * (len+1));`. Este problema puede provocar la ejecuci\u00f3n del c\u00f3digo."}], "lastModified": "2023-10-26T22:44:17.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nothings:stb_vorbis.c:1.22:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6709627-5AFB-4F0C-801D-238CA02D1BFE"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}