An exploitable information disclosure vulnerability exists in the 'Secret Chats' functionality of Rakuten Viber on Android 9.3.0.6. The 'Secret Chats' functionality allows a user to delete all traces of a chat either by using a time trigger or by direct request. There is a bug in this functionality which leaves behind photos taken and shared on the secret chats, even after the chats are deleted. These photos will be stored in the device and accessible to all applications installed on the Android device.
Published 2020-02-13 00:15:11
Updated 2023-02-03 01:37:23
Source Talos
View at NVD,   CVE.org
Vulnerability category: Information leak

Products affected by CVE-2018-3987

Exploit prediction scoring system (EPSS) score for CVE-2018-3987

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-3987

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
NIST
4.2
MEDIUM CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
0.6
3.6
Talos
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
NIST

CWE ids for CVE-2018-3987

References for CVE-2018-3987

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