High severity · published Dec 16, 2017
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…
8.8
CVSS
1.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TM
Telegram Messenger · Telegram
before 2017-12-08 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-17715
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-17715
Issue Tracking
https://bugs.chromium.org/p/project-zero/issues/detail?id=1470
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