Vulnerability Details : CVE-2018-3986
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.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2018-3986
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 15 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-3986
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
nvd@nist.gov |
|
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-cna@cisco.com |
|
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
|
nvd@nist.gov |
CWE ids for CVE-2018-3986
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-3986
-
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0654
TALOS-2018-0654 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
-
http://www.securityfocus.com/bid/106295
Telegram 'Secret Chats' Functionality Local Information Disclosure VulnerabilityBroken Link;Third Party Advisory;VDB Entry
Products affected by CVE-2018-3986
- cpe:2.3:a:telegram:telegram:4.9.0:*:*:*:*:android:*:*