Vulnerability CVE-2018-20346


Published: 2018-12-21

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.

Type:

CWE-190

(Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Sqlite -> Sqlite 
Redhat -> Linux 
Opensuse -> LEAP 
Google -> Chrome 
Debian -> Debian linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00070.html
http://www.securityfocus.com/bid/106323
https://access.redhat.com/articles/3758321
https://blade.tencent.com/magellan/index_en.html
https://bugzilla.redhat.com/show_bug.cgi?id=1659379
https://bugzilla.redhat.com/show_bug.cgi?id=1659677
https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
https://chromium.googlesource.com/chromium/src/+/c368e30ae55600a1c3c9cb1710a54f9c55de786e
https://crbug.com/900910
https://github.com/zhuowei/worthdoingbadly.com/blob/master/_posts/2018-12-14-sqlitebug.html
https://lists.debian.org/debian-lts-announce/2018/12/msg00012.html
https://news.ycombinator.com/item?id=18685296
https://security.gentoo.org/glsa/201904-21
https://sqlite.org/src/info/940f2adc8541a838
https://sqlite.org/src/info/d44318f59044162e
https://usn.ubuntu.com/4019-1/
https://usn.ubuntu.com/4019-2/
https://worthdoingbadly.com/sqlitebug/
https://www.freebsd.org/security/advisories/FreeBSD-EN-19:03.sqlite.asc
https://www.mail-archive.com/sqlite-users@mailinglists.sqlite.org/msg113218.html
https://www.sqlite.org/releaselog/3_25_3.html
https://www.synology.com/security/advisory/Synology_SA_18_61

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