Bug 1558804 (CVE-2018-8740) - CVE-2018-8740 sqlite: NULL pointer dereference with databases with schema corrupted with CREATE TABLE AS allows for denial of service
Summary: CVE-2018-8740 sqlite: NULL pointer dereference with databases with schema cor...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2018-8740
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1558806 1558805 1558807 1558808 1558809 1558810 1573270
Blocks: 1558811
TreeView+ depends on / blocked
 
Reported: 2018-03-21 04:05 UTC by Sam Fowler
Modified: 2021-02-17 00:36 UTC (History)
16 users (show)

Fixed In Version:
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Doc Text:
A NULL pointer dereference vulnerability was found in SQLite. Loading a database whose schema was corrupted using a CREATE TABLE AS statement would result in a SQLite crash.
Clone Of:
Environment:
Last Closed: 2019-06-10 10:18:16 UTC
Embargoed:

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Description Sam Fowler 2018-03-21 04:05:03 UTC 
SQLite through version 3.22.0 is vulnerable to a NULL pointer dereference when using databases that have been corrupted with 'CREATE TABLE AS' statements. An attacker could exploit this with a crafted database file to trigger a crash and resulting denial of service.


Upstream Patch:

https://www.sqlite.org/cgi/src/vdiff?from=1774f1c3baf0bc3d&to=d75e67654aa9620b


Additional References:

http://seclists.org/oss-sec/2018/q1/244
Comment 1 Sam Fowler 2018-03-21 04:05:46 UTC 
Created mingw-sqlite tracking bugs for this issue:

Affects: fedora-all [bug 1558808]


Created sqlite2 tracking bugs for this issue:

Affects: fedora-all [bug 1558805]


Created sqlite tracking bugs for this issue:

Affects: fedora-all [bug 1558809]


Created sqlite2 tracking bugs for this issue:

Affects: epel-all [bug 1558806]


Created mingw-sqlite tracking bugs for this issue:

Affects: epel-7 [bug 1558807]
Comment 3 Petr Kubat 2018-03-21 14:09:53 UTC 
Reproducer for this can be found in:

https://bugs.launchpad.net/ubuntu/+source/sqlite3/+bug/1756349
Comment 7 Andrej Nemec 2018-12-11 09:20:36 UTC 
Statement:

Red Hat Product Security has rated this issue as having a security impact of Low. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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