CVE-2020-11947 Information disclosure in n/a

Low 3.8 Published 31 Dec 2020 Updated 4 Aug 2024

A heap-based buffer over-read in QEMU's iSCSI block driver allows attackers to disclose sensitive information from process memory.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2020-11947?

CVE-2020-11947 is a low-severity vulnerability in Qemu Qemu, published on 31 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.

Weakness: CWE-125

Which versions are affected by CVE-2020-11947?

It affects 1 product.

Products include Qemu Qemu.

How do I fix CVE-2020-11947?

Apply the vendor's patch.

Is CVE-2020-11947 being exploited?

There is no known exploitation of CVE-2020-11947 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-11947, GHSA-m8w3-4mqx-j486, UBUNTU-CVE-2020-11947.