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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.74% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.0% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-02-13 18:00Z9 YR AGO
- Last updated
- 2024-08-06 08:29Z2 YR AGO
- Reserved
- 2016-01-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- f6d7c21d0324495a09da9387c5ad5f846ee27cc7c2306d850d380180c9289662
05 Affected products
06 References
- ubuntu.comUSN-2771-1http://ubuntu.com/usn/usn-2771-1
- www.securityfocus.com96386http://www.securityfocus.com/bid/96386
- bazaar.launchpad.nethttp://bazaar.launchpad.net/~click-hackers/click/devel/revision/587
- bugs.launchpad.nethttps://bugs.launchpad.net/ubuntu/+source/click/+bug/1506467
- insights.ubuntu.comhttps://insights.ubuntu.com/2015/10/15/update-on-ubuntu-phone-security-issue/
- code.launchpad.nethttps://code.launchpad.net/~cjwatson/click/audit-missing-dot-slash/+merge/274554
- www.openwall.com[oss-security] 20160112 Re: CVE Request: clickhttp://www.openwall.com/lists/oss-security/2016/01/12/8
- plus.google.comhttps://plus.google.com/+SzymonWaliczek/posts/3jbG2uiAniF
07 Fixed in
Ubuntu 14.04 LTS
- click Fixed in 0.4.21.1ubuntu0.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.