CVE-2020-28633

NameCVE-2020-28633
DescriptionMultiple code execution vulnerabilities exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. 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 any of these vulnerabilities. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser<EW>::read_sedge() seh->prev().
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2649-1, DLA-3226-1
Debian Bugs985671

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cgal (PTS)buster4.13-1vulnerable
buster (security)4.13-1+deb10u1fixed
bullseye5.2-3fixed
bookworm5.5.1-2fixed
trixie5.6-1fixed
sid5.6.1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cgalsourcestretch4.9-1+deb9u1DLA-2649-1
cgalsourcebuster4.13-1+deb10u1DLA-3226-1
cgalsource(unstable)5.2-3985671

Notes

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225
https://github.com/CGAL/cgal/commit/e1870c15224ddd5d79b1df5b8248e4c6813d7398

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