CVE-2020-35634

State: Published
Severity: 10.0 Critical
Published: Aug 30, 2021
Updated: Apr 23, 2025
Reserved: Dec 22, 2020

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.

Scores

CVSS	Score	Vector	Source
3.0	10.0 Critical	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	talos

Weaknesses

CWE-129 Improper Validation of Array Index

Affected Products

Product	Versions
CGAL Projectn/a	CGAL Project libcgal CGAL-5.1.1Affected

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225
[debian-lts-announce] 20221206 [SECURITY] [DLA 3226-1] cgal security updatemailing-list
GLSA-202305-34vendor-advisory

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