CVE-2019-9937
HIGH severity · CVSS 7.5 · CWE-476
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)6%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://sqlite.org/src/info/45c73deb440496e8 ↗
Additional information
- NVD record
- https://sqlite.org/src/info/45c73deb440496e8Patch
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00026.html
- http://www.securityfocus.com/bid/107562Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXD2GYJVTDGEQPUNMMMC5TB7MQXOBBMO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N66U5PY5UJU4XBFZJH7QNKIDNAVIB4OP/
- https://security.gentoo.org/glsa/201908-09
- https://security.netapp.com/advisory/ntap-20190416-0005/Advisory