CVE-2017-11133 Information

Description

An issue was discovered in heinekingmedia StashCat through 1.7.5 for Android through 0.0.80w for Web and through 0.0.86 for Desktop. To encrypt messages AES in CBC mode is used with a pseudo-random secret. This secret and the IV are generated with math.random() in previous versions and with CryptoJS.lib.WordArray.random() in newer versions which uses math.random() internally. This is not cryptographically strong.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://seclists.org/fulldisclosure/2017/Jul/90

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5