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Prior to versions 0.29.0.gfm.3 and 0.28.3.gfm.21, an integer overflow in cmark-gfm's table row parsing `table.c:row_from_string` may lead to heap memory corruption when parsing tables who's marker rows contain more than UINT16_MAX columns. The impact of this heap corruption ranges from Information Leak to Arbitrary Code Execution depending on how and where `cmark-gfm` is used. If `cmark-gfm` is used for rendering remote user controlled markdown, this vulnerability may lead to Remote Code Execution (RCE) in applications employing affected versions of the `cmark-gfm` library. This vulnerability has been patched in the following cmark-gfm versions 0.29.0.gfm.3 and 0.28.3.gfm.21. A workaround is available. The vulnerability exists in the table markdown extensions of cmark-gfm. Disabling the table extension will prevent this vulnerability from being triggered."}, {"lang": "es", "value": "cmark-gfm es la versi\u00f3n extendida de GitHub de la implementaci\u00f3n de referencia en C de CommonMark. En versiones anteriores a 0.29.0.gfm.3 y 0.28.3.gfm.21, un desbordamiento de enteros en el an\u00e1lisis de filas de tablas de cmark-gfm, \"table.c:row_from_string\", pod\u00eda conllevar a una corrupci\u00f3n de la memoria de la pila cuando eran analizadas tablas cuyas filas de marcadores conten\u00edan m\u00e1s de UINT16_MAX columnas. El impacto de esta corrupci\u00f3n de memoria va desde un filtrado de informaci\u00f3n hasta una ejecuci\u00f3n de c\u00f3digo arbitrario, dependiendo de c\u00f3mo y d\u00f3nde es usado \"cmark-gfm\". Si \"cmark-gfm\" es usado para renderizar markdown controlado por usuarios remotos, esta vulnerabilidad puede conllevar a una Ejecuci\u00f3n de C\u00f3digo Remota (RCE) en aplicaciones que empleen versiones afectadas de la biblioteca \"cmark-gfm\". Esta vulnerabilidad ha sido parcheada en las siguientes versiones de cmark-gfm: 0.29.0.gfm.3 y 0.28.3.gfm.21. Se presenta una medida de mitigaci\u00f3n disponible. La vulnerabilidad se presenta en las extensiones de tablas markdown de cmark-gfm. 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{"affected_release": [{"advisory": "RHSA-2022:5597", "cpe": "cpe:/a:redhat:enterprise_linux:8::crb", "package": "pandoc-0:2.0.6-6.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-07-18T00:00:00Z"}], "bugzilla": {"description": "cmark-gfm: possible RCE due to integer overflow", "id": "2060662", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2060662"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-190", "details": ["cmark-gfm is GitHub's extended version of the C reference implementation of CommonMark. Prior to versions 0.29.0.gfm.3 and 0.28.3.gfm.21, an integer overflow in cmark-gfm's table row parsing `table.c:row_from_string` may lead to heap memory corruption when parsing tables who's marker rows contain more than UINT16_MAX columns. The impact of this heap corruption ranges from Information Leak to Arbitrary Code Execution depending on how and where `cmark-gfm` is used. If `cmark-gfm` is used for rendering remote user controlled markdown, this vulnerability may lead to Remote Code Execution (RCE) in applications employing affected versions of the `cmark-gfm` library. This vulnerability has been patched in the following cmark-gfm versions 0.29.0.gfm.3 and 0.28.3.gfm.21. A workaround is available. The vulnerability exists in the table markdown extensions of cmark-gfm. Disabling the table extension will prevent this vulnerability from being triggered."], "name": "CVE-2022-24724", "public_date": "2022-03-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-24724\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-24724"], "threat_severity": "Important"}

{}