NULL pointer dereference in edk2 - CVE-2019-14584

Vulnerability identifier: #VU54483

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-2019-14584

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a NULL pointer dereference error. A local user can run a specially crafted program to escalate privileges on the system.

edk2
SUSE Linux Enterprise Server
openEuler
Dell EMC VxRail Appliance
ovmf
ovmf-tools
qemu-ovmf-x86_64
edk2-help
edk2-aarch64
python3-edk2-devel
edk2-ovmf
edk2-debugsource
edk2-debuginfo
edk2-devel
edk2
Integrated System for Microsoft Azure Stack Hub

Install update from vendor's website.

edk2 - update to edk2-stable202011
Dell EMC VxRail Appliance - update to 4.5.480
ovmf - update to 2015+git1462940744.321151f-19.23.1
ovmf-tools - update to 2015+git1462940744.321151f-19.23.1
qemu-ovmf-x86_64 - update to 2015+git1462940744.321151f-19.23.1
Integrated System for Microsoft Azure Stack Hub - update to 2207
edk2-help - update to 202002-10
edk2-aarch64 - update to 202002-10
python3-edk2-devel - update to 202002-10
edk2-ovmf - update to 202002-10
edk2-debugsource - update to 202002-10
edk2-debuginfo - update to 202002-10
edk2-devel - update to 202002-10
edk2 - update to 202002-10

• https://bugzilla.redhat.com/show_bug.cgi?id=1889486

• Privilege escalation in Tianocore EDK II
• Multiple vulnerabilities in Dell VxRail
• Multiple vulnerabilities in Dell Integrated System for Microsoft Azure Stack Hub
• SUSE update for ovmf
• openEuler 20.03 LTS SP1 update for edk2
• openEuler 20.03 LTS SP3 update for edk2