CVE-2018-19960: Improper Input Validation

May 14, 2022 (updated July 24, 2023)

The debug_mode function in web/web.py in OnionShare through 1.3.1, when –debug is enabled, uses the /tmp/onionshare_server.log pathname for logging, which might allow local users to overwrite files or obtain sensitive information by using this pathname.

References

bugs.debian.org/915859
github.com/advisories/GHSA-pwjq-6wrh-5w8q
nvd.nist.gov/vuln/detail/CVE-2018-19960

Code Behaviors & Features

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