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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Click Project | Click | - |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://bazaar.launchpad.net/~click-hackers/click/devel/revision/587
- http://ubuntu.com/usn/usn-2771-1Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/12/8Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/96386Third Party AdvisoryVDB Entry
- https://bugs.launchpad.net/ubuntu/+source/click/+bug/1506467Issue TrackingPatchThird Party Advisory
- https://code.launchpad.net/~cjwatson/click/audit-missing-dot-slash/+merge/274554Issue TrackingPatchThird Party Advisory
- https://insights.ubuntu.com/2015/10/15/update-on-ubuntu-phone-security-issue/
- https://plus.google.com/+SzymonWaliczek/posts/3jbG2uiAniF
- http://bazaar.launchpad.net/~click-hackers/click/devel/revision/587
- http://ubuntu.com/usn/usn-2771-1Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/12/8Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/96386Third Party AdvisoryVDB Entry
- https://bugs.launchpad.net/ubuntu/+source/click/+bug/1506467Issue TrackingPatchThird Party Advisory
- https://code.launchpad.net/~cjwatson/click/audit-missing-dot-slash/+merge/274554Issue TrackingPatchThird Party Advisory
- https://insights.ubuntu.com/2015/10/15/update-on-ubuntu-phone-security-issue/
FAQ
What is CVE-2015-8768?
CVE-2015-8768 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...
How severe is CVE-2015-8768?
CVE-2015-8768 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2015-8768?
Check the references section above for vendor advisories and patch information. Affected products include: Click Project Click, Canonical Ubuntu Linux.