Out-of-bounds Read in Cgal Computational Geometry Algorithms Library
CVE-2020-35632
Multiple code execution vulnerabilities exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. 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 any of these vulnerabilities. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser<EW>::read_sface() sfh->boundary_entry_objects Edge_of.
EPSS: 0.021 (80.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Cgal Computational_geometry_algorithms_library — versions 5.1.1
- Cgal Project Libcgal — versions CGAL-5.1.1
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Exploit, Third Party Advisory)
- talos-cna@cisco.com (mailing-list, Mailing List, Third Party Advisory)
- talos-cna@cisco.com (vendor-advisory)
Frequently asked questions
- What is CVE-2020-35632?
- CVE-2020-35632 is a high-severity vulnerability in Cgal Computational Geometry Algorithms Library, classified under Improper Validation of Array Index. CVSS score: 8.8/10. Published 2022-04-18.
- How severe is CVE-2020-35632?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-35632 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.