In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a different user, as demonstrated by logging in as root and entering umount followed by a tab character for autocompletion.
References
Link | Resource |
---|---|
http://www.securityfocus.com/bid/103367 | Third Party Advisory VDB Entry |
https://bugs.debian.org/892179 | Patch Third Party Advisory |
https://github.com/karelzak/util-linux/commit/75f03badd7ed9f1dd951863d75e756883d3acc55 | Patch Third Party Advisory |
https://github.com/karelzak/util-linux/issues/539 | Issue Tracking Third Party Advisory |
https://usn.ubuntu.com/4512-1/ | |
https://www.debian.org/security/2018/dsa-4134 | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2018-03-06T22:00:00
Updated: 2020-09-25T17:06:19
Reserved: 2018-03-06T00:00:00
Link: CVE-2018-7738
JSON object: View
NVD Information
Status : Modified
Published: 2018-03-07T02:29:03.533
Modified: 2020-09-25T18:15:13.193
Link: CVE-2018-7738
JSON object: View
Redhat Information
No data.
CWE