CVE-2019-5188

Published: 08 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

Medium

CVSS 3 base score: 6.7

Status

Package Release Status
e2fsprogs
Launchpad, Ubuntu, Debian
Upstream
Released (1.45.5-1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1.45.3-4ubuntu3)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.44.1-1ubuntu1.3)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (1.42.13-1ubuntu1.2)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (1.42.9-3ubuntu1.3+esm2)
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