Vulnerability Details : CVE-2017-17715

The saveFile method in 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 category: Directory traversal
Published 2017-12-16 19:29:00
Updated 2018-01-04 15:47:36
Source MITRE
View at NVD,

Exploit prediction scoring system (EPSS) score for CVE-2017-17715

Probability of exploitation activity in the next 30 days: 0.15%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 50 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2017-17715

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source

CWE ids for CVE-2017-17715

  • The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
    Assigned by: (Primary)

References for CVE-2017-17715

Products affected by CVE-2017-17715

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