openEuler 20.03 LTS SP3 update for sqlite

1) Input validation error

EUVDB-ID: #VU67413

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20223

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input within the fts5UnicodeTokenize() function in ext/fts5/fts5_tokenize.c, which caused the unicode61 tokenizer configured to treat unicode "control-characters" (class Cc), was treating embedded nul characters as tokens. A remote attacker can pass specially crafted input to the application and bypass implemented security restrictions.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

sqlite-help: before 3.32.3-5

sqlite-debugsource: before 3.32.3-5

sqlite-debuginfo: before 3.32.3-5

sqlite-devel: before 3.32.3-5

sqlite: before 3.32.3-5

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1877

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.