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MitreCVE-2020-27524

HistoryNov 11, 2020 - 3:15 p.m.

CVE-2020-27524

2020-11-1115:15:11

CWE-134

mitre

web.nvd.nist.gov

audi a7

mmi

bluetooth

vulnerability

cve-2020-27524

nvd

CVSS2

4.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:P/I:N/A:P

CVSS3

7.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.002

Percentile

54.8%

JSON

On Audi A7 MMI 2014 vehicles, the Bluetooth stack in Audi A7 MMI Multiplayer with version (N+R_CN_AU_P0395) mishandles %x and %s format string specifiers in a device name. This may lead to memory content leaks and potentially crash the services.

Affected configurations

Nvd

Node

audimmi_multiplayerMatchn\+r_cn_au_p0395

AND

audia7Match-

VendorProductVersionCPE
audimmi_multiplayern+r_cn_au_p0395cpe:2.3:a:audi:mmi_multiplayer:n\+r_cn_au_p0395:*:*:*:*:*:*:*
audia7-cpe:2.3:h:audi:a7:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
audi	mmi_multiplayer	n+r_cn_au_p0395	cpe:2.3:a:audi:mmi_multiplayer:n\+r_cn_au_p0395:::::::*
audi	a7	-	cpe:2.3:h:audi:a7:-:::::::*

References

tiger-team-1337.blogspot.com/2020/10/audi-a7-2014-mmi-mishandles-format.html

twitter.com/Kevin2600/status/1316380576593571840

www.youtube.com/watch?v=BQUVgAdhwQs

CVSS2

4.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:P/I:N/A:P

CVSS3

7.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.002

Percentile

54.8%

JSON

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