Information Disclosure in Telegram Android Messaging Application
CVE-2018-3986

4.2MEDIUM

Key Information:

Vendor

Telegram

Status
Telegram
Vendor
CVE Published:
3 January 2019

What is CVE-2018-3986?

An exploitable information disclosure issue has been identified in the Secret Chats functionality of Telegram's Android messaging app. Despite the feature's design to facilitate deletion of chat traces, a flaw exists that permits photos shared during these secret chats to remain on the device, even after the associated chats are deleted. This poses a significant risk to user privacy, as the retained images can be accessed by any app on the device, potentially exposing sensitive user data.

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Affected Version(s)

Telegram Telegram Messaging Application for Android 4.9.0

References

http://www.securityfocus.com/bid/106295
vdb-entryx_refsource_BID
https://www.talosintelligence.com/vulnerability_reports/T...
x_refsource_MISC

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

CVSS V3.0

Score:
4.2
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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