CVE-2018-7738
Summary
| CVE | CVE-2018-7738 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-03-07 02:29:00 UTC |
| Updated | 2020-09-25 18:15:00 UTC |
| Description | 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. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Kernel | Util-linux | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| util-linux CVE-2018-7738 Local Privilege Escalation Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| bash-completion: (umount) use findmnt, escape a space in paths · karelzak/util-linux@75f03ba · GitHub | MISC | github.com | Patch, Third Party Advisory |
| Debian -- Security Information -- DSA-4134-1 util-linux | DEBIAN | www.debian.org | Third Party Advisory |
| USN-4512-1: util-linux vulnerability | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| #892179 - util-linux: CVE-2018-7738: code execution in bash-completion for umount - Debian Bug report logs | MISC | bugs.debian.org | Patch, Third Party Advisory |
| Bash completion for umount fails if mount point contains a space · Issue #539 · karelzak/util-linux · GitHub | MISC | github.com | Issue Tracking, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 354121 Amazon Linux Security Advisory for util-linux : ALAS2-2022-1878
- 710207 Gentoo Linux util-linux User-assisted execution of arbitrary code Vulnerability (GLSA 201803-02)
- 754264 SUSE Enterprise Linux Security Update for util-linux (SUSE-SU-2023:3268-1)
- 755232 SUSE Enterprise Linux Security Update for util-linux (SUSE-SU-2023:4372-1)
- 755319 SUSE Enterprise Linux Security Update for util-linux (SUSE-SU-2023:4512-1)