NULL pointer dereference in SQLite - CVE-2020-13632
Published: August 6, 2020 / Updated: October 28, 2023
Vulnerability identifier: #VU34080
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-13632
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: SQLite
Affected software:
SQLite
SQLite
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in ext/fts3/fts3_snippet.c in SQLite. A local user can trigger denial of service conditions via a crafted matchinfo() query.
How to mitigate CVE-2020-13632
Install update from vendor's website.
Sources
- https://bugs.chromium.org/p/chromium/issues/detail?id=1080459
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7KXQWHIY2MQP4LNM6ODWJENMXYYQYBN/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:22.sqlite.asc
- https://security.gentoo.org/glsa/202007-26
- https://security.netapp.com/advisory/ntap-20200608-0002/
- https://sqlite.org/src/info/a4dd148928ea65bd
- https://usn.ubuntu.com/4394-1/
- https://www.oracle.com/security-alerts/cpujul2020.html