CVE-2020-35634
CVE-2020-35634
In short
A vulnerability in CGAL's polygon parsing allows attackers to crash the program or run malicious code by providing a specially crafted file. The flaw occurs when the software reads polygon data without properly checking boundaries, leading to memory corruption.
Technical detail
An out-of-bounds read vulnerability exists in CGAL-5.1.1's Nef_S2/SNC_io_parser.h during polygon file parsing, specifically in the read_sface() function when processing boundary entry objects. A malformed input file can trigger memory access violations and type confusion, enabling arbitrary code execution; the attack vector is file-based with minimal pre-conditions (user must open the crafted file).
Summary generated and translated by AI from the official description.
A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser<EW>::read_sface() sfh->boundary_entry_objects Sloop_of. 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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
n/a · CGAL ProjectWant to know if your infrastructure is exposed to this?
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