CVE-2017-17715

HIGH 8.8CVE-2017-17715 · Published 16/12/2017 · updated 17/06/2026

In short

CVE-2017-17715 is a HIGH (CVSS 8.8) vulnerability affecting telegram messenger (telegram).
Chance of exploitation in the next 30 days (EPSS): 1.7%, higher than 77.7% of all vulnerabilities.
Fix: update to 2017-12-08 or later.

Package	Affected versions	Patched versions
telegram messenger telegram	`< 2017-12-08`	`2017-12-08`

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

bugs.chromium.org/p/project-zero/issues/detail · Issue Tracking

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