CVE-2020-35632

NameCVE-2020-35632
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_sface() sfh->boundary_entry_objects Edge_of.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
Debian Bugs985671

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cgal (PTS)stretch4.9-1vulnerable
stretch (security)4.9-1+deb9u1vulnerable
buster4.13-1vulnerable
bullseye5.2-3fixed
bookworm, sid5.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cgalsource(unstable)5.2-3985671

Notes

[buster] - cgal <no-dsa> (Minor issue)
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225

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