CVE-2016-5026 : hs.py in OnionShare before 0.9.1 allows local users to modify the hiddenservice

hs.py in OnionShare before 0.9.1 allows local users to modify the hiddenservice by pre-creating the /tmp/onionshare directory.

Published 2017-01-30 22:59:00

Updated 2017-02-08 17:14:22

Source MITRE

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2016-5026

Onionshare » Onionshare
Versions up to, including, (<=) 0.9.0
cpe:2.3:a:onionshare:onionshare:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:P/A:N	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Assigned by: nvd@nist.gov (Primary)

http://www.openwall.com/lists/oss-security/2016/05/24/9

oss-security - Re: CVE request: /tmp usage race condition in onionshare
Mailing List;Third Party Advisory
http://www.securityfocus.com/bid/90821

OnionShare '/tmp/onionshare' Directory Local Security Bypass Vulnerability
Third Party Advisory;VDB Entry
http://www.openwall.com/lists/oss-security/2016/05/23/5

oss-security - CVE request: /tmp usage race condition in onionshare
Mailing List;Third Party Advisory
https://github.com/micahflee/onionshare

GitHub - micahflee/onionshare: Securely and anonymously send and receive files
Issue Tracking;Patch;Third Party Advisory

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