SecuriTricks - CVE-2024-3447

Description

A heap-based buffer overflow was found in the SDHCI device emulation of QEMU. The bug is triggered when both `s->data_count` and the size of `s->fifo_buffer` are set to 0x200, leading to an out-of-bound access. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

Product(s) Impacted

Product	Versions
QEMU	[]

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-122

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References

https://access.redhat.com/security/cve/CVE-2024-3447

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58813

https://bugzilla.redhat.com/show_bug.cgi?id=2274123

https://patchew.org/QEMU/20240404085549.16987-1-philmd@linaro.org/

CVSS Score

6.0 / 10

CVSS Data - 3.1

Attack Vector: LOCAL
Attack Complexity: LOW
Privileges Required: HIGH
Scope: CHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

View Vector String

Timeline

Published: Nov. 14, 2024, 12:15 p.m.
Last Modified: Nov. 15, 2024, 1:58 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

patrick@puiterwijk.org

CVE-2024-3447