CVE-2019-5188 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00004.html https://lists.debian.org/debian-lts-announce/2020/03/msg00030.html https://lists.debian.org/debian-lts-announce/2020/07/msg00021.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2AKETJ6BREDUHRWQTV35SPGG5C6H7KSI/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6DOBCYQKCTTWXBLMUPJ5TX3FY7JNCOKY/ https://talosintelligence.com/vulnerability_reports/TALOS-2019-0973 https://usn.ubuntu.com/4249-1/

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.7