CVE-2015-8768
First published: Mon Feb 13 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu Python 3 Click | ||
| Ubuntu | =14.04 | |
| Ubuntu | =15.04 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://bazaar.launchpad.net/~click-hackers/click/devel/revision/587
- http://ubuntu.com/usn/usn-2771-1
- http://www.openwall.com/lists/oss-security/2016/01/12/8
- http://www.securityfocus.com/bid/96386
- https://bugs.launchpad.net/ubuntu/+source/click/+bug/1506467
- https://code.launchpad.net/~cjwatson/click/audit-missing-dot-slash/+merge/274554
- https://insights.ubuntu.com/2015/10/15/update-on-ubuntu-phone-security-issue/
- https://plus.google.com/+SzymonWaliczek/posts/3jbG2uiAniF
Frequently Asked Questions
What is the severity of CVE-2015-8768?
CVE-2015-8768 has a medium severity level due to its potential to allow unauthorized privilege escalation.
How do I fix CVE-2015-8768?
To fix CVE-2015-8768, ensure that the package filesystem tarballs start with './' to prevent the installation of unverified policy packages.
What systems are affected by CVE-2015-8768?
CVE-2015-8768 affects the Click framework used in Ubuntu Linux versions 14.04 and 15.04.
Can CVE-2015-8768 be exploited remotely?
Yes, CVE-2015-8768 can be exploited remotely, allowing attackers to install modified packages that could lead to privilege escalation.
What is the impact of exploiting CVE-2015-8768?
Exploiting CVE-2015-8768 can lead to unauthorized access and privilege escalation on affected systems.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/author
- agent/last-modified-date
- agent/severity
- agent/weakness
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/click project
- canonical/ubuntu python 3 click
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/14.04
- version/ubuntu/15.04