CVE-2020-35635 — HIGH (8.8)

Vulnerability Description

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1 in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() store_sm_boundary_item() Sloop_of OOB read. 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 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cgal	Computational Geometry Algorithms Library	5.1.1
Debian	Debian Linux	10.0

Related Weaknesses (CWE)

CWE-129

References

https://lists.debian.org/debian-lts-announce/2022/12/msg00011.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202305-34
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00011.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202305-34
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225ExploitThird Party Advisory

FAQ

What is CVE-2020-35635?

CVE-2020-35635 is a vulnerability with a CVSS score of 8.8 (HIGH). A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1 in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() store_sm_boundary_item() Sloop_of OOB re...

How severe is CVE-2020-35635?

CVE-2020-35635 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-35635?

Check the references section above for vendor advisories and patch information. Affected products include: Cgal Computational Geometry Algorithms Library, Debian Debian Linux.