CVE-2020-35492

NameCVE-2020-35492
DescriptionA flaw was found in cairo's image-compositor.c in all versions prior to 1.17.4. This flaw allows an attacker who can provide a crafted input file to cairo's image-compositor (for example, by convincing a user to open a file in an application using cairo, or if an application uses cairo on untrusted input) to cause a stack buffer overflow -> out-of-bounds WRITE. The highest impact from this vulnerability is to confidentiality, integrity, as well as system availability.
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)
ReferencesDLA-2518-1
NVD severitymedium
Debian Bugs978658

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cairo (PTS)stretch1.14.8-1vulnerable
stretch (security)1.14.8-1+deb9u1fixed
buster1.16.0-4+deb10u1fixed
bullseye, sid1.16.0-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cairosourcestretch1.14.8-1+deb9u1DLA-2518-1
cairosourcebuster1.16.0-4+deb10u1
cairosource(unstable)1.16.0-5978658

Notes

https://gitlab.freedesktop.org/cairo/cairo/-/issues/437
Introduced by: https://gitlab.freedesktop.org/cairo/cairo/-/commit/c986a7310bb06582b7d8a566d5f007ba4e5e75bf (1.12.12)
Fixed by: https://gitlab.freedesktop.org/cairo/cairo/-/commit/03a820b173ed1fdef6ff14b4468f5dbc02ff59be
Minor cleanup for test: https://gitlab.freedesktop.org/cairo/cairo/-/commit/8bc14a6bba3bc8a64ff0749c74d9b96305bf6429
Additional meson support (test): https://gitlab.freedesktop.org/cairo/cairo/-/commit/0677e0a94968447e132c69f58cb04e5377e0c828
https://bugzilla.redhat.com/show_bug.cgi?id=1898396

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