CVE-2019-5188
Published: 8 January 2020
A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.
Priority
Status
Package | Release | Status |
---|---|---|
e2fsprogs
Launchpad, Ubuntu, Debian |
bionic |
Released
(1.44.1-1ubuntu1.3)
|
disco |
Released
(1.44.6-1ubuntu0.2)
|
|
eoan |
Released
(1.45.3-4ubuntu2.1)
|
|
trusty |
Released
(1.42.9-3ubuntu1.3+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(1.45.5-1)
|
|
xenial |
Released
(1.42.13-1ubuntu1.2)
|
|
Patches:
upstream: https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?id=8dd73c149f418238f19791f9d666089ef9734dff upstream: https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?id=71ba13755337e19c9a826dfc874562a36e1b24d3 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.7 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |