Summary
It was discovered that OnionShare could be exploited when run with
the --debug argument. A local attacker could possibly use this
issue to access sensitive information. This issue only affected
Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-19960)
It was discovered that OnionShare could be blocked from uploading
files. An attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. (CVE-2022-21689)
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | onionshare | 0.8.1-1ubuntu0.1~esm1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | onionshare | 0.9.2-1ubuntu0.1~esm1 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | onionshare | 2.2-1ubuntu0.1~esm1 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | onionshare | 2.2-3ubuntu0.1~esm1 |
Vulnerabilities 2
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High 7.5
Denial of Service in Onionshare
OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions the receive mode limits concurrent uploads to 100 per second and blocks other uploads in the…
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Unscored —
The debug_mode function in web/web.py in OnionShare through 1.3.1, when --debug is enabled, uses the /tmp/onionshare_se…