Vulnerability in Click Project
CVE-2015-8768
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Click Project
- Canonical Ubuntu Linux — versions 14.04, 15.04
Weakness classification (CWE)
References
- ubuntu.com/usn/usn-2771-1 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/96386 (VDB Entry, Third Party Advisory, vdb-entry)
- bazaar.launchpad.net/~click-hackers/click/devel/revision/587
- bugs.launchpad.net/ubuntu/+source/click/+bug/1506467 (Patch, Third Party Advisory, Issue Tracking)
- insights.ubuntu.com/2015/10/15/update-on-ubuntu-phone-security-issue/
- code.launchpad.net/~cjwatson/click/audit-missing-dot-slash/+merge/274554 (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2016/01/12/8 (mailing-list, Patch, Mailing List, Third Party Advisory)
- plus.google.com/+SzymonWaliczek/posts/3jbG2uiAniF
Frequently asked questions
- What is CVE-2015-8768?
- CVE-2015-8768 is a critical-severity vulnerability in Click Project, classified under CWE-264. CVSS score: 9.8/10. Published 2017-02-13.
- How severe is CVE-2015-8768?
- Critical severity. CVSS v3 base score is 9.8 out of 10.