Heap-based buffer overflow in edk2 - CVE-2017-5733
Published: December 27, 2018
Vulnerability identifier: #VU16721
CSH Severity: Low
CVSS v4: 5.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-5733
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to boundary error when handling malicious input. A local attacker can supply specially crafted files in MakeTable() function, trigger heap-based buffer overflow and gain elevated privileges.
Affected software
edk2
Opensuse
Opensuse
How to mitigate CVE-2017-5733
Install update from vendor's website.