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CVE-2023-45677

Estado: ModificadaAlta (7.8)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Nothings — STB Vorbis.c

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2023-45677",
  "cveTags": [],
  "metrics": {
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          "options": [
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          "version": "2.0.3",
          "timestamp": "2024-09-12T13:32:26.696444Z"
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  "published": "2023-10-21T00:15:09.347",
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      "description": [
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          "value": "CWE-787"
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      "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 librería de archivo único con licencia MIT para procesar archivos ogg vorbis. Un archivo manipulado puede provocar una escritura fuera de límites en `f-&gt;vendor[len] = (char)'\\0';`. La causa principal es que si `len` leído en `start_decoder` es un número negativo y `setup_malloc` asigna memoria exitosamente en ese caso, pero la escritura en memoria se realiza con un índice negativo `len`. De manera similar, si len es INT_MAX, el desbordamiento de enteros len+1 ocurre en `f-&gt;vendor = (char*)setup_malloc(f, sizeof(char) * (len+1));` y `f-&gt;comment_list[i] = (char*)setup_malloc(f, tamaño de(char) * (len+1));`. Este problema puede provocar la ejecución del código."
    }
  ],
  "lastModified": "2026-06-17T06:29:20.730",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}