Debian Long Term Support / LTS Security Information / 2021 / Security Information -- DLA-2649-1 cgal

Debian Security Advisory

DLA-2649-1 cgal -- LTS security update

Date Reported:

04 May 2021

Affected Packages:

cgal

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2020-28601, CVE-2020-28636, CVE-2020-35628, CVE-2020-35636.

More information:

Four security issues have been discovered in cgal. A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL.

• CVE-2020-28601

  An oob read vulnerability exists in Nef_2/PM_io_parser.h PM_io_parser::read_vertex() Face_of[] OOB read. An attacker can provide malicious input to trigger this vulnerability.

• CVE-2020-28636

  An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh->twin() An attacker can provide malicious input to trigger this vulnerability.

• CVE-2020-35628

  An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh->incident_sface. An attacker can provide malicious input to trigger this vulnerability.

• CVE-2020-35636

  An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() sfh->volume(). An attacker can provide malicious input to trigger this vulnerability.

For Debian 9 stretch, these problems have been fixed in version 4.9-1+deb9u1.

We recommend that you upgrade your cgal packages.

For the detailed security status of cgal please refer to its security tracker page at: https://security-tracker.debian.org/tracker/cgal

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS