Use After Free in Zetetic Sqlcipher
CVE-2020-27207
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.
Vulnerability class: Use-After-Free
EPSS: 0.016 (72.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Zetetic Sqlcipher
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-27207?
- CVE-2020-27207 is a high-severity vulnerability in Zetetic Sqlcipher, classified under Use After Free. CVSS score: 7.5/10. Published 2020-11-26.
- How severe is CVE-2020-27207?
- High severity. CVSS v3 base score is 7.5 out of 10.