CVE-2018-20346

HIGHScheduled

Published:Dec 21, 2018(7 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo Interaction

Vulnerability Description

SQLite 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.

Attack Characteristics

Network AccessHigh ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
sqlite	sqlite	3.25.3	-
google	chrome	71.0.3578.80	-
redhat	linux	-

Timeline

Published
CVE disclosed publicly
Dec 21, 20187 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

https://www.freebsd.org/security/advisories/FreeBSD-EN-19:03.sqlite.as...Third Party Advisory
https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/ms...
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.sqlite.org/releaselog/3_25_3.html

CVSS Score

v3.1

8.1/ 10.0

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

At a Glance

Affected Products

References

sqlite / sqlite

https://www.synology.com/security/advisory/Synology_SA_18_61Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00040....Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00070....Mailing List

http://www.securityfocus.com/bid/106323Third Party Advisory

https://access.redhat.com/articles/3758321Third Party Advisory

https://blade.tencent.com/magellan/index_en.htmlThird Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1659379Issue Tracking

https://bugzilla.redhat.com/show_bug.cgi?id=1659677Issue Tracking

https://chromereleases.googleblog.com/2018/12/stable-channel-update-fo...Third Party Advisory

https://chromium.googlesource.com/chromium/src/+/c368e30ae55600a1c3c9c...Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00040....Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00070....Mailing List

http://www.securityfocus.com/bid/106323Third Party Advisory

https://access.redhat.com/articles/3758321Third Party Advisory

https://blade.tencent.com/magellan/index_en.htmlThird Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1659379Issue Tracking

https://bugzilla.redhat.com/show_bug.cgi?id=1659677Issue Tracking

https://chromereleases.googleblog.com/2018/12/stable-channel-update-fo...Third Party Advisory

https://chromium.googlesource.com/chromium/src/+/c368e30ae55600a1c3c9c...Third Party Advisory

https://crbug.com/900910Permissions Required

https://github.com/zhuowei/worthdoingbadly.com/blob/master/_posts/2018...Exploit

https://kc.mcafee.com/corporate/index?page=content&id=SB10365

https://lists.debian.org/debian-lts-announce/2018/12/msg00012.htmlMailing List

https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

https://news.ycombinator.com/item?id=18685296Third Party Advisory

https://security.gentoo.org/glsa/201904-21Third Party Advisory

https://sqlite.org/src/info/940f2adc8541a838Patch

https://sqlite.org/src/info/d44318f59044162ePatch

https://support.apple.com/HT209443

https://support.apple.com/HT209446

https://support.apple.com/HT209447

https://support.apple.com/HT209448

https://support.apple.com/HT209450

https://support.apple.com/HT209451

https://usn.ubuntu.com/4019-1/

https://usn.ubuntu.com/4019-2/

https://worthdoingbadly.com/sqlitebug/Exploit

https://crbug.com/900910Permissions Required

https://github.com/zhuowei/worthdoingbadly.com/blob/master/_posts/2018...Exploit

https://kc.mcafee.com/corporate/index?page=content&id=SB10365

https://lists.debian.org/debian-lts-announce/2018/12/msg00012.htmlMailing List

https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

https://news.ycombinator.com/item?id=18685296Third Party Advisory

https://security.gentoo.org/glsa/201904-21Third Party Advisory

https://sqlite.org/src/info/940f2adc8541a838Patch

https://sqlite.org/src/info/d44318f59044162ePatch

https://support.apple.com/HT209443

https://support.apple.com/HT209446

https://support.apple.com/HT209447

https://support.apple.com/HT209448

https://support.apple.com/HT209450

https://support.apple.com/HT209451

https://usn.ubuntu.com/4019-1/

https://usn.ubuntu.com/4019-2/

https://worthdoingbadly.com/sqlitebug/Exploit

https://www.freebsd.org/security/advisories/FreeBSD-EN-19:03.sqlite.as...Third Party Advisory

https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/ms...

https://www.oracle.com/security-alerts/cpuapr2020.html

https://www.sqlite.org/releaselog/3_25_3.htmlRelease Notes

https://www.synology.com/security/advisory/Synology_SA_18_61Third Party Advisory

CVSS v3 Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Impact Analysis

ConfidentialityHigh

NoneLowHigh

IntegrityHigh

NoneLowHigh

AvailabilityHigh

NoneLowHigh

CVE-2018-20346

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description