CVE-2020-35634 — Improper Validation of Array Index in Cgal

CWE-129 — Improper Validation of Array IndexCWE-125 — Out-of-bounds Read4 documents4 sources
Severity
8.8HIGHNVD
EPSS
0.2%
top 56.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Debian CgalCgal Computational Geometry Algorithms LibraryDebian Linux
Timeline
PublishedAug 30
Latest updateMay 24

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::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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶debiandebian/cgal< cgal 5.2-3 (bookworm)

Also affects: Debian Linux 10.0

🔴Vulnerability Details

2
GHSA
GHSA-mjwm-9qqf-5cfc: A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5↗2022-05-24
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OSV
CVE-2020-35634: A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5↗2021-08-30
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📋Vendor Advisories

1
Debian
CVE-2020-35634: cgal - A code execution vulnerability exists in the Nef polygon-parsing functionality o...↗2020
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