Vulnerability · Published Oct 4, 2021 · Assigned by mitre
CVE-2021-41867
Medium 5.3
In plain English
A medium-severity security flaw in the onionshare package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.8%top 21.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | onionshare | 2.5-1 | DEBIAN-CVE-2021-41867 |
| Debian:13 | onionshare | 2.5-1 | DEBIAN-CVE-2021-41867 |
| Debian:14 | onionshare | 2.5-1 | DEBIAN-CVE-2021-41867 |
| PyPI | onionshare-cli | 2.4 | GHSA-6rvj-pw9w-jcvc |
| PyPI | onionshare-cli | 2.4 | PYSEC-2026-696 |
Affected products (as reported)
References
- https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4 x_refsource_MISC
- https://www.ihteam.net/advisory/onionshare/ x_refsource_MISC