NULL pointer dereference in SQLite
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-9327 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
SQLite Server applications / Database software |
| Vendor | SQLite |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
Updated: 24.05.2020
Changed bulletin status to patched.
1) NULL pointer dereference
EUVDB-ID: #VU25861
Risk: Low
CVSSv3.1: 3.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:U/RC:C]
CVE-ID: CVE-2020-9327
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in SQLite 3.31.1, isAuxiliaryVtabOperator allows attackers to trigger a NULL pointer dereference and segmentation fault because of generated column optimizations. A remote attacker can perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsSQLite: 3.31.1
External linkshttp://www.sqlite.org/cgi/src/info/4374860b29383380
http://www.sqlite.org/cgi/src/info/9d0d4ab95dc0c56e
http://www.sqlite.org/cgi/src/info/abc473fb8fb99900
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
