CVE-2019-9937 Information

Description

In SQLite 3.27.2 interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c. This is related to ext/fts5/fts5_hash.c and ext/fts5/fts5_index.c.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00026.html http://www.securityfocus.com/bid/107562 https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EXD2GYJVTDGEQPUNMMMC5TB7MQXOBBMO/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N66U5PY5UJU4XBFZJH7QNKIDNAVIB4OP/ https://security.gentoo.org/glsa/201908-09 https://security.netapp.com/advisory/ntap-20190416-0005/ https://sqlite.org/src/info/45c73deb440496e8 https://usn.ubuntu.com/4019-1/ https://www.mail-archive.com/sqlite-users@mailinglists.sqlite.org/msg114383.html https://www.mail-archive.com/sqlite-users@mailinglists.sqlite.org/msg114393.html https://www.oracle.com/security-alerts/cpujan2020.html https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5