CVE-2018-18954 Information

Description

The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html http://www.openwall.com/lists/oss-security/2018/11/06/6 http://www.securityfocus.com/bid/105920 https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html https://seclists.org/bugtraq/2019/May/76 https://usn.ubuntu.com/3826-1/ https://www.debian.org/security/2019/dsa-4454

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5