CVE-2020-27207 Information

Description

Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example a SQL injection can be used to execute the crafted SQL command sequence. After that some unexpected RAM data is read.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842 https://www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf https://github.com/sqlcipher/sqlcipher/compare/v4.4.0…v4.4.1

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5