CVE-2020-35634: Out-of-bounds Read

Published Aug 30, 2021
·
Updated

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. An oob read vulnerability exists in NefS2/SNCioparser.h SNCioparser<EW>::readsface() sfh->boundaryentryobjects Sloopof. 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.

Affected Software

2 affected components
CGAL Computational Geometry Algorithms Library=5.1.1
Debian Debian Linux=10.0

Event History

Aug 30, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2020-35634?

CVE-2020-35634 is considered a critical vulnerability due to its potential for code execution through out-of-bounds read in CGAL.

2

How does CVE-2020-35634 impact affected systems?

CVE-2020-35634 may allow an attacker to execute arbitrary code by exploiting a specially crafted malformed file.

3

How do I fix CVE-2020-35634?

To mitigate CVE-2020-35634, users should upgrade to a patched version of CGAL above 5.1.1.

4

Which software versions are vulnerable to CVE-2020-35634?

CVE-2020-35634 affects CGAL version 5.1.1 and Debian Linux version 10.0.

5

What are the symptoms of CVE-2020-35634 exploitation?

Exploitation of CVE-2020-35634 may lead to unexpected application crashes or unauthorized remote code execution.

Contact

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