Buffer overflow in QEMU - CVE-2018-18954
Published: May 15, 2019
Vulnerability identifier: #VU18497
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-18954
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the pnv_lpc_do_eccb() function in hw/ppc/pnv_lpc.c. A local user can create a specially crafted application and gain read and write access to PowerNV memory.
Affected software
QEMU
Opensuse
Fedora
qemu
Opensuse
Fedora
qemu
How to mitigate CVE-2018-18954
Install updates from vendor's website.
qemu - update to 3.0.0-2.fc29