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TalosCVE-2020-35633

HistoryAug 30, 2021 - 6:15 p.m.

CVE-2020-35633

2021-08-3018:15:07

CWE-129

talos

web.nvd.nist.gov

cve-2020-35633

nef

cgal

libcgal

code execution

out-of-bounds read

vulnerability

security advisory

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.1

Confidence

High

EPSS

0.007

Percentile

81.2%

JSON

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() store_sm_boundary_item() Edge_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.

Affected configurations

Nvd

Node

cgalcomputational_geometry_algorithms_libraryMatch5.1.1

Node

debiandebian_linuxMatch10.0

VendorProductVersionCPE
cgalcomputational_geometry_algorithms_library5.1.1cpe:2.3:a:cgal:computational_geometry_algorithms_library:5.1.1:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cgal	computational_geometry_algorithms_library	5.1.1	cpe:2.3:a:cgal:computational_geometry_algorithms_library:5.1.1:::::::*
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "CGAL Project",
    "versions": [
      {
        "version": "CGAL Project libcgal CGAL-5.1.1",
        "status": "affected"
      }
    ]
  }
]