Information disclosure in Telegram for Android
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-3986 |
| CWE-ID | CWE-200 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Telegram for Android Mobile applications / Apps for mobile phones |
| Vendor | Telegram |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU16674
Risk: Low
CVSSv3.1: 4 [CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N/E:P/RL:U/RC:C]
CVE-ID: CVE-2018-3986
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local high-privileged attacker to obtain potentially sensitive information.
The vulnerability exists in the "Secret Chats" functionality of the Telegram Android messaging application due to leaving of behind photos taken and shared on the secret chats, even after the chats are deleted. A local attacker can gain access to potentially sensitive information from all applications installed on the Android device.
MitigationInstall update from vendor's website.
Vulnerable software versionsTelegram for Android: 4.9.0
External linkshttp://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0654
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to perform certain actions on the device.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
