Vulnerability · Published Aug 30, 2021 · Assigned by talos
CVE-2020-35633
Critical 10.0
In plain English
A critical-severity security flaw in CGAL Project. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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<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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | cgal | 5.2-3 | DEBIAN-CVE-2020-35633 |
| Debian:13 | cgal | 5.2-3 | DEBIAN-CVE-2020-35633 |
| Debian:14 | cgal | 5.2-3 | DEBIAN-CVE-2020-35633 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | CGAL Project | CGAL Project libcgal CGAL-5.1.1 |
Weakness: CWE-129 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H