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MitreCVE-2020-27153

HistoryOct 15, 2020 - 3:15 a.m.

CVE-2020-27153

2020-10-1503:15:12

CWE-415

mitre

web.nvd.nist.gov

282

cve-2020-27153

bluez

gatttool

double free

vulnerability

denial of service

code execution

service discovery

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

8.2

Confidence

High

EPSS

0.05

Percentile

93.0%

JSON

In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.

Affected configurations

Nvd

Node

bluezbluezRange<5.55

Node

debiandebian_linuxMatch9.0

debiandebian_linuxMatch10.0

Node

opensuseleapMatch15.1

opensuseleapMatch15.2

VendorProductVersionCPE
bluezbluez*cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
opensuseleap15.1cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
opensuseleap15.2cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
bluez	bluez	*	cpe:2.3:a:bluez:bluez::::::::
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*
opensuse	leap	15.1	cpe:2.3:o:opensuse:leap:15.1:::::::*
opensuse	leap	15.2	cpe:2.3:o:opensuse:leap:15.2:::::::*