CVE-2020-27207 - Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlit

CVE-2020-27207

Summary

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.

References

Vulnerable Configurations

cpe:2.3:a:zetetic:sqlcipher:4.0:*:*:*:*:*:*:*
cpe:2.3:a:zetetic:sqlcipher:4.0:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 03-12-2020 - 20:01)
Impact:
Exploitability:

CWE

CWE-416

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:L/Au:N/C:N/I:N/A:P

refmap via4

confirm	https://github.com/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1
misc	https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842 https://www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf

Last major update

03-12-2020 - 20:01

Published

26-11-2020 - 17:15

Last modified

03-12-2020 - 20:01