CVE-2020-12654

kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c

Severity Score

7.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was found in Linux kernel before 5.5.4. mwifiex_ret_wmm_get_status() in drivers/net/wireless/marvell/mwifiex/wmm.c allows a remote AP to trigger a heap-based buffer overflow because of an incorrect memcpy, aka CID-3a9b153c5591.

Se detectó un problema en el kernel de Linux versiones anteriores a 5.5.4. En la función mwifiex_ret_wmm_get_status() en el archivo drivers/net/wireless/marvell/mwifiex/wmm.c permite a un AP remoto desencadenar un desbordamiento del búfer en la región heap de la memoria debido a una memcpy incorrecta, también se conoce como CID-3a9b153c5591.

A flaw was found in the Linux kernel. The Marvell mwifiex driver allows a remote WiFi access point to trigger a heap-based memory buffer overflow due to an incorrect memcpy operation. The highest threat from this vulnerability is to data integrity and system availability.

*Credits: N/A

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-05-05 CVE Reserved
2020-05-05 CVE Published
2024-04-11 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

CAPEC

References (14)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2020/05/08/2	Mailing List
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html	Mailing List
https://security.netapp.com/advisory/ntap-20200608-0001	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a9b153c5591548612c3955c9600a98150c81875	2020-06-16
https://github.com/torvalds/linux/commit/3a9b153c5591548612c3955c9600a98150c81875	2020-06-16

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html	2020-06-16
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.4	2020-06-16
https://usn.ubuntu.com/4392-1	2020-06-16
https://usn.ubuntu.com/4393-1	2020-06-16
https://www.debian.org/security/2020/dsa-4698	2020-06-16
https://access.redhat.com/security/cve/CVE-2020-12654	2020-08-12
https://bugzilla.redhat.com/show_bug.cgi?id=1832530	2020-08-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.5.4 Search vendor "Linux" for product "Linux Kernel" and version " < 5.5.4"		-		Affected