Access Restriction Bypass Affecting usb-creator package, versions <0.2.62ubuntu0.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1410-USBCREATOR-265856
- published28 Sept 2017
- disclosed28 Sept 2017
Introduced: 28 Sep 2017
CVE-2015-3643 (opens in a new tab)How to fix?
Upgrade Ubuntu:14.10 usb-creator to version 0.2.62ubuntu0.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream usb-creator package and not the usb-creator package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.10 relevant fixed versions and status.
usb-creator before 0.2.38.3ubuntu0.1 on Ubuntu 12.04 LTS, before 0.2.56.3ubuntu0.1 on Ubuntu 14.04 LTS, before 0.2.62ubuntu0.3 on Ubuntu 14.10, and before 0.2.67ubuntu0.1 on Ubuntu 15.04 allows local users to gain privileges by leveraging a missing call check_polkit for the KVMTest method.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-3643
- https://www.exploit-db.com/exploits/36820/
- https://bazaar.launchpad.net/~usb-creator-hackers/usb-creator/trunk/revision/470
- http://www.openwall.com/lists/oss-security/2015/04/22/12
- http://www.openwall.com/lists/oss-security/2015/05/04/3
- http://www.securityfocus.com/bid/74304
- https://usn.ubuntu.com/usn/usn-2576-1/
- https://usn.ubuntu.com/usn/usn-2576-2/