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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2020-11-26 17:15

Updated : 2024-11-21 05:20

NVD link : CVE-2020-27207

Mitre link : CVE-2020-27207

CVE.ORG link : CVE-2020-27207

JSON object : View

Products Affected

zetetic

sqlcipher

CWE

CWE-416

Use After Free

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