Out-of-bounds read in cgal - CVE-2020-35636
Published: March 2, 2021
Vulnerability identifier: #VU51102
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-35636
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() sfh->volume(). A remote attacker can use a specially crafted file, trigger out-of-bounds read error and read contents of memory on the system.
Affected software
cgal
Gentoo Linux
Fedora
CGAL
sci-mathematics/cgal
Gentoo Linux
Fedora
CGAL
sci-mathematics/cgal
How to mitigate CVE-2020-35636
Install updates from vendor's website.
cgal - update to 5.1.2
CGAL - addressed in versions 5.1.3-1.fc33, 5.2.1-1.fc34
sci-mathematics/cgal - update to 5.4.1
CGAL - addressed in versions 5.1.3-1.fc33, 5.2.1-1.fc34
sci-mathematics/cgal - update to 5.4.1