Multiple vulnerabilities in SQLite
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-11655 CVE-2020-11656 |
| CWE-ID | CWE-20 CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SQLite Server applications / Database software |
| Vendor | SQLite |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
Updated: 24.05.2020
Changed bulletin status to patched.
1) Input validation error
EUVDB-ID: #VU27023
Risk: Medium
CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]
CVE-ID: CVE-2020-11655
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when the AggInfo object's initialization is mishandled. A remote attacker can pass specially crafted input via a malformed window-function query to the application and perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsSQLite: 3.31.0 - 3.31.1
External linkshttp://security.netapp.com/advisory/ntap-20200416-0001/
http://www3.sqlite.org/cgi/src/info/4a302b42c7bf5e11
http://www3.sqlite.org/cgi/src/tktview?name=af4556bb5c
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.
2) Use-after-free
EUVDB-ID: #VU27024
Risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]
CVE-ID: CVE-2020-11656
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the ALTER TABLE implementation. A remote attacker can execute arbitrary code on the target system, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statement.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsSQLite: 3.8.0 - 3.31.1
External linkshttp://security.netapp.com/advisory/ntap-20200416-0001/
http://www.sqlite.org/src/info/d09f8c3621d5f7f8
http://www3.sqlite.org/cgi/src/info/b64674919f673602
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.
