CVE-2018-18954

MEDIUM
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

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

Details

Source: MITRE

Published: 2018-11-15

Updated: 2019-05-31

Type: CWE-125

Risk Information

CVSS v2

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Tenable Plugins

View all (8 total)

IDNameProductFamilySeverity
125609Debian DSA-4454-1 : qemu - security updateNessusDebian Local Security Checks
high
123493openSUSE Security Update : qemu (openSUSE-2019-1074)NessusSuSE Local Security Checks
high
122776SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2019:0582-1)NessusSuSE Local Security Checks
high
122495openSUSE Security Update : qemu (openSUSE-2019-254)NessusSuSE Local Security Checks
high
122341SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2019:0435-1)NessusSuSE Local Security Checks
high
122309SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2019:0423-1)NessusSuSE Local Security Checks
high
120587Fedora 29 : 2:qemu (2018-87f2ace20d)NessusFedora Local Security Checks
critical
119216Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 18.10 : QEMU vulnerabilities (USN-3826-1)NessusUbuntu Local Security Checks
critical