CVE-2015-8768

9.8 CRITICAL
Published: February 13, 2017 Modified: May 13, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://bazaar.launchpad.net/~click-hackers/click/devel/revision/587
Source: cve@mitre.org
http://ubuntu.com/usn/usn-2771-1
Source: cve@mitre.org
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/12/8
Source: cve@mitre.org
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/96386
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://bugs.launchpad.net/ubuntu/+source/click/+bug/1506467
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
https://code.launchpad.net/~cjwatson/click/audit-missing-dot-slash/+merge/274554
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
https://insights.ubuntu.com/2015/10/15/update-on-ubuntu-phone-security-issue/
Source: cve@mitre.org
https://plus.google.com/+SzymonWaliczek/posts/3jbG2uiAniF
Source: cve@mitre.org
http://bazaar.launchpad.net/~click-hackers/click/devel/revision/587
Source: af854a3a-2127-422b-91ae-364da2661108
http://ubuntu.com/usn/usn-2771-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/12/8
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/96386
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugs.launchpad.net/ubuntu/+source/click/+bug/1506467
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://code.launchpad.net/~cjwatson/click/audit-missing-dot-slash/+merge/274554
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://insights.ubuntu.com/2015/10/15/update-on-ubuntu-phone-security-issue/
Source: af854a3a-2127-422b-91ae-364da2661108
https://plus.google.com/+SzymonWaliczek/posts/3jbG2uiAniF
Source: af854a3a-2127-422b-91ae-364da2661108

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
2.7%
84th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-264

Affected Vendors

canonical click_project

Related CVEs

CVE-2026-48777 N/A
CVE-2026-47750 7.8
CVE-2026-47747 7.8
CVE-2026-46448 5.4
CVE-2026-22313 9.1