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,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.47% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-252
- Affected
- canonical/ubuntu linux · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2017/dsa-3823Third Party Advisory
- http://www.securityfocus.com/bid/97154Broken Link, Third Party Advisory, VDB Entry
- https://launchpad.net/bugs/1673627Issue Tracking, Third Party Advisory
- https://www.ubuntu.com/usn/usn-3246-1/Vendor Advisory
- https://www.debian.org/security/2017/dsa-3823Third Party Advisory
- http://www.debian.org/security/2017/dsa-3823Third Party Advisory
- http://www.securityfocus.com/bid/97154Broken Link, Third Party Advisory, VDB Entry
- https://launchpad.net/bugs/1673627Issue Tracking, Third Party Advisory
- https://www.ubuntu.com/usn/usn-3246-1/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.