CVE-2018-20346

NameCVE-2018-20346
DescriptionSQLite before 3.25.3, when the FTS3 extension is enabled, encounters an integer overflow (and resultant buffer overflow) for FTS3 queries that occur after crafted changes to FTS3 shadow tables, allowing remote attackers to execute arbitrary code by leveraging the ability to run arbitrary SQL statements (such as in certain WebSQL use cases), aka Magellan.
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-1613-1, DSA-4352-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
chromium (PTS)stretch (security)73.0.3683.75-1~deb9u1fixed
buster73.0.3683.75-1fixed
buster (security)76.0.3809.100-1~deb10u1fixed
bullseye, sid76.0.3809.100-1fixed
chromium-browser (PTS)stretch70.0.3538.110-1~deb9u1vulnerable
stretch (security)71.0.3578.80-1~deb9u1fixed
sqlite3 (PTS)jessie3.8.7.1-1+deb8u2vulnerable
jessie (security)3.8.7.1-1+deb8u4fixed
stretch3.16.2-5+deb9u1vulnerable
buster3.27.2-3fixed
bullseye, sid3.29.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
chromiumsource(unstable)71.0.3578.80-1medium
chromium-browsersourcestretch71.0.3578.80-1~deb9u1mediumDSA-4352-1
sqlite3source(unstable)3.25.3-1medium
sqlite3sourcejessie3.8.7.1-1+deb8u3mediumDLA-1613-1

Notes

[stretch] - sqlite3 <no-dsa> (Minor issue)
https://blade.tencent.com/magellan/index_en.html
RedHat: https://bugzilla.redhat.com/show_bug.cgi?id=1659379
Fedora: https://bugzilla.redhat.com/show_bug.cgi?id=1659677
Fedora patch: https://src.fedoraproject.org/rpms/sqlite/c/d8da047b90b7eff583c50bf7fa7dc3bc37414249?branch=f28
https://www.mail-archive.com/sqlite-users@mailinglists.sqlite.org/msg113218.html
Upstream change: https://www.sqlite.org/src/info/940f2adc8541a838

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