CVE-2018-3986 — MEDIUM (5.5)

Vulnerability Description

An exploitable information disclosure vulnerability exists in the "Secret Chats" functionality of the Telegram Android messaging application version 4.9.0. 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 that 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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Telegram	Telegram	4.9.0

Related Weaknesses (CWE)

CWE-200

References

http://www.securityfocus.com/bid/106295Broken LinkThird Party AdvisoryVDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0654ExploitThird Party Advisory
http://www.securityfocus.com/bid/106295Broken LinkThird Party AdvisoryVDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0654ExploitThird Party Advisory

FAQ

What is CVE-2018-3986?

CVE-2018-3986 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An exploitable information disclosure vulnerability exists in the "Secret Chats" functionality of the Telegram Android messaging application version 4.9.0. The "Secret Chats" functionality allows a us...

How severe is CVE-2018-3986?

CVE-2018-3986 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3986?

Check the references section above for vendor advisories and patch information. Affected products include: Telegram Telegram.