CVE-2020-27207
Type:
Use After Free
Severity:
Medium
Publication date:
11/26/2020
Last modified:
12/03/2020
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.
Impact
Access Vector: Through network
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: No impact on system integrity + No impact on system confidentiality + Partially affects on system availability
Vulnerable software and versions
- cpe:2.3:a:zetetic:sqlcipher:*:*:*:*:*:*:*:*
To consult the complete list of products and versions see this page
References to Advisories, Solutions, and Tools
- https://github.com/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1 (Source: CONFIRM)
- https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842 (Source: MISC)
- https://www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf (Source: MISC)