Vulnerability Details CVE-2021-3119
Zetetic SQLCipher 4.x before 4.4.3 has a NULL pointer dereferencing issue related to sqlcipher_export in crypto.c and sqlite3StrICmp in sqlite3.c. This may allow an attacker to perform a remote denial of service attack. For example, an SQL injection can be used to execute the crafted SQL command sequence, which causes a segmentation fault.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://github.com/sqlcipher/sqlcipher/commit/cb71f53e8cea4802509f182fa5bead0ac6ab0e7f#diff-9305215a9a0ea69300281fc4af90bc7f3437e34a0e1745d030213152993ddae4
- https://www.telekom.com/resource/blob/621186/3fb50ca7a4a97728be18717ed7b0062c/dl-210308-critical-dos-vulnerability-in-sqlcipher-sql-command-processing-data.pdf
- https://github.com/sqlcipher/sqlcipher/commit/cb71f53e8cea4802509f182fa5bead0ac6ab0e7f#diff-9305215a9a0ea69300281fc4af90bc7f3437e34a0e1745d030213152993ddae4
- https://www.telekom.com/resource/blob/621186/3fb50ca7a4a97728be18717ed7b0062c/dl-210308-critical-dos-vulnerability-in-sqlcipher-sql-command-processing-data.pdf