Out-of-bounds write in edk2 - CVE-2019-0160

Vulnerability identifier: #VU95175

CSH Severity: High

CVSS v4 BT: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-0160

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can send specially crafted input to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

edk2
Ubuntu
ovmf (Ubuntu package)
qemu-efi (Ubuntu package)
qemu-efi-aarch64 (Ubuntu package)
qemu-efi-arm (Ubuntu package)

Install updates from vendor's website.

edk2 - update to edk2-stable201811
ovmf (Ubuntu package) - update to Ubuntu Pro
qemu-efi (Ubuntu package) - update to Ubuntu Pro
qemu-efi-aarch64 (Ubuntu package) - update to Ubuntu Pro
qemu-efi-arm (Ubuntu package) - update to Ubuntu Pro

• https://tianocore-docs.github.io/SecurityAdvisory/draft/partitiondxe-and-udf-buffer-overflow.html

• Remote code execution in EDK2
• Ubuntu update for edk2