Vulnerability CVE-2017-11133


Published: 2017-08-01

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
heinekingmedia StashCat Cryptographic Issues
Karsten-Kai KAPn...
02.08.2017

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Stashcat -> Heinekingmedia 

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

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