What is CVE-2018-3987?

CVE-2018-3987 is a medium-severity vulnerability in Rakuten Viber, classified under Information Disclosure. CVSS score: 5.5/10. Published 2020-02-13.

How severe is CVE-2018-3987?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Rakuten Viber

CVE-2018-3987

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.

Vulnerability class: Information Disclosure

EPSS: 0.004 (30.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Rakuten Viber — versions 9.3.0.6
N/a Rakuten Viber — versions Rakuten Viber Android 9.3.0.6

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-3987?: CVE-2018-3987 is a medium-severity vulnerability in Rakuten Viber, classified under Information Disclosure. CVSS score: 5.5/10. Published 2020-02-13.
How severe is CVE-2018-3987?: Medium severity. CVSS v3 base score is 5.5 out of 10.