What is CVE-2017-17715?

CVE-2017-17715 is a high-severity vulnerability in Telegram Messenger, classified under Path Traversal. CVSS score: 8.8/10. Published 2017-12-16.

How severe is CVE-2017-17715?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Telegram Messenger

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.017 (75.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Telegram Telegram_messenger
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-17715?: CVE-2017-17715 is a high-severity vulnerability in Telegram Messenger, classified under Path Traversal. CVSS score: 8.8/10. Published 2017-12-16.
How severe is CVE-2017-17715?: High severity. CVSS v3 base score is 8.8 out of 10.