CVE-2017-17715

The saveFile method in MediaController.java in the Telegram Messenger application before 2017-12-08 for Android allows directory traversal via a pathname obtained in a file-transfer request from a remote peer, as demonstrated by writing to tgnet.dat or tgnet.dat.bak.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/project-zero/issues/detail?id=1470	Issue Tracking Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1470	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:telegram:telegram_messenger:*:*:*:*:*:android:*:*

History

No history.

Information

Published : 2017-12-16 19:29

Updated : 2025-04-20 01:37

NVD link : CVE-2017-17715

Mitre link : CVE-2017-17715

CVE.ORG link : CVE-2017-17715

JSON object : View

Products Affected

telegram

telegram_messenger

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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