CVE-2020-35636: Out-of-bounds Read

First published: Thu Mar 04 2021(Updated: )

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1 in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() sfh->volume() OOB read. A specially crafted malformed file can lead to an out-of-bounds read and type confusion, which could lead to code execution. An attacker can provide malicious input to trigger this vulnerability.

Credit: talos-cna@cisco.com

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• vendor/cgal
• canonical/cgal computational geometry algorithms library
• version/cgal computational geometry algorithms library/5.1.1
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• canonical/debian debian linux
• version/debian debian linux/10.0