CVE-2019-0140 Memory corruption in 2019.2 IPU – Intel(R) Ethernet 700 Series Controllers

High 8.8 Published 14 Nov 2019 Updated 4 Aug 2024

An unauthenticated attacker with adjacent access can exploit a buffer overflow in Intel Ethernet 700 Series firmware to escalate privileges.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-0140?

CVE-2019-0140 is a high-severity memory corruption vulnerability in 2019.2 IPU – Intel(R) Ethernet 700 Series Controllers, published on 14 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in firmware for Intel(R) Ethernet 700 Series Controllers before version 7.0 may allow an unauthenticated user to potentially enable an escalation of privilege via an adjacent access.

Weakness: CWE-120

Which versions are affected by CVE-2019-0140?

It affects 7 products.

Products include Intel Ethernet 700 Series Software, Intel Ethernet Controller 710-Bm1 Firmware, Intel Ethernet Controller X710-At2 Firmware, Intel Ethernet Controller X710-Bm2 Firmware, Intel Ethernet Controller X710-Tm4 Firmware, Intel Ethernet Controller Xxv710-Am1 Firmware and 1 more.

How do I fix CVE-2019-0140?

No fix has been published for CVE-2019-0140 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-0140 being exploited?

There is no known exploitation of CVE-2019-0140 in the wild and no public exploit code.

Sources

Also known as GHSA-wj78-77qw-gq8x.