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.
| Software | From | Fixed in |
|---|---|---|
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| canonical / ubuntu_linux | 15.04 | 15.04.x |
- 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
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