CVE-2019-15540 Information

Description

filters/filter-cso/filter-stream.c in the CSO filter in libMirage 3.2.2 in CDemu does not validate the part size triggering a heap-based buffer overflow that can lead to root access by a local Linux user.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00086.html http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00089.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00017.html https://gist.github.com/andreafioraldi/baa79cd78131888d98d6ba680d5f514e https://sourceforge.net/p/cdemu/bugs/119/ https://sourceforge.net/p/cdemu/code/ci/0e9292c9aa34bf545f43f7efe5f0b94faba94962/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8