PT-2017-8653 · Onionshare · Onionshare

Michael Scherer · Published 2017-01-30 · Updated 2017-02-08 · CVE-2016-5026

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions OnionShare versions prior to 0.9.1

Description The issue allows local users to modify the hiddenservice by pre-creating the /tmp/onionshare directory. This is related to the hs.py component in OnionShare.

Recommendations For versions prior to 0.9.1, update to version 0.9.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the /tmp/onionshare directory to prevent unauthorized modifications.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2016-5026

Affected Products

Onionshare

References · 11

• https://github.com/micahflee/onionshare · Patch
• https://cve.org/CVERecord?id=CVE-2016-5026 · Security Note
• https://osv.dev/vulnerability/CVE-2016-5026 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-5026 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-5026 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-5026 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-5026 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-5026 · Security Note
• http://openwall.com/lists/oss-security/2016/05/24/9 · Note
• http://openwall.com/lists/oss-security/2016/05/23/5 · Note
• http://securityfocus.com/bid/90821 · Note