CVE-2017-17715

HIGH

Telegram Messenger < 2017-12-08 - Path Traversal via MediaController saveFile Method

Title source: llm

Description

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.

References (1)

Core 1

Core References

Issue Tracking, Third Party Advisory x_refsource_misc

https://bugs.chromium.org/p/project-zero/issues/detail?id=1470

Scores

CVSS v3 8.8

EPSS 0.0174

EPSS Percentile 75.0%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-22

Status published

Products (1)

telegram/telegram_messenger < 2017-12-08

Published Dec 16, 2017

Tracked Since Feb 18, 2026