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Status published
Critical
CVE-2015-8768
click/install.py in click does not require files in package filesystem...
Vulnerability Description
click/install.py in click does not require files in package filesystem tarballs to start with ./ (dot slash), which allows remote attackers to install an alternate security policy and gain privileges via a crafted package, as demonstrated by the test.mmrow app for Ubuntu phone.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://ubuntu.com/usn/usn-2771-1
- http://www.securityfocus.com/bid/96386
- http://bazaar.launchpad.net/~click-hackers/click/devel/revision/587
- https://bugs.launchpad.net/ubuntu/+source/click/+bug/1506467
- https://insights.ubuntu.com/2015/10/15/update-on-ubuntu-phone-security-issue/
- https://code.launchpad.net/~cjwatson/click/audit-missing-dot-slash/+merge/274554
- http://www.openwall.com/lists/oss-security/2016/01/12/8
- https://plus.google.com/+SzymonWaliczek/posts/3jbG2uiAniF
Affected Vendor
click project
View all reports →Affected Software
click, ubuntu linux
Vulnerable Versions:
14.04, 15.04
Timeline
Official Publish:
February 13th, 2017
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.