Vulnerability in Canonical Ubuntu Linux
CVE-2017-6964
dmcrypt-get-device, as shipped in the eject package of Debian and Ubuntu, does not check the return value of the (1) setuid or (2) setgid function, which might cause dmcrypt-get-device to execute code, which was intended to run as an unprivileged user, as root. This affects eject through 2.1.5+deb1+cvs20081104-13.1 on Debian, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.10.1 on Ubuntu 16.10, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.04.1 on Ubuntu 16.04 LTS, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.14.04.1 on Ubuntu 14.04 LTS, and eject before 2.1.5+deb1+cvs20081104-9ubuntu0.1 on Ubuntu 12.04 LTS.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- www.debian.org/security/2017/dsa-3823 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/usn-3246-1/ (Vendor Advisory)
- www.securityfocus.com/bid/97154 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- launchpad.net/bugs/1673627 (Third Party Advisory, Issue Tracking)
- www.debian.org/security/2017/dsa-3823 (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-6964?
- CVE-2017-6964 is a high-severity vulnerability in Canonical Ubuntu Linux, classified under CWE-252. CVSS score: 7.8/10. Published 2017-03-28.
- How severe is CVE-2017-6964?
- High severity. CVSS v3 base score is 7.8 out of 10.