VULNERABILITY INTELLIGENCE

CVE-2017-17715

CVSS score8.8 HIGH

EPSS probability1.74%

CISA KEVNot currently listed

Published2017-12-16

Last modified2026-06-17

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

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.

Weakness classification

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Primary references

cve@mitre.org — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory