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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (74.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.telekom.com/en/corporate-responsibility/data-protection-data-security/secur… (Third Party Advisory)
- github.com/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1 (Third Party Advisory)
- www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112… (Third Party Advisory)
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.