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

Weakness classification (CWE)

References

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.