CVE-2019-5188

Publication date 8 January 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
e2fsprogs	19.10 eoan	Fixed 1.45.3-4ubuntu2.1
	19.04 disco	Fixed 1.44.6-1ubuntu0.2
	18.04 LTS bionic	Fixed 1.44.1-1ubuntu1.3
	16.04 LTS xenial	Fixed 1.42.13-1ubuntu1.2
	14.04 LTS trusty	Fixed 1.42.9-3ubuntu1.3+esm2 Ubuntu Pro

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
e2fsprogs	Upstream: ?id=8dd Upstream: ?id=71b

Severity score breakdown

Parameter	Value
Base score	6.7 · Medium
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

References

Related Ubuntu Security Notices (USN)

USN-4249-1
e2fsprogs vulnerability
23 January 2020