Ubuntu update for bluez



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-3563
CVE-2023-27349
CWE-ID CWE-476
CWE-119
Exploitation vector Local
Public exploit N/A
Vulnerable software
Ubuntu
Operating systems & Components / Operating system

libbluetooth3 (Ubuntu package)
Operating systems & Components / Operating system package or component

bluez-tests (Ubuntu package)
Operating systems & Components / Operating system package or component

bluez (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU71644

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3563

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows an attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the read_50_controller_cap_complete() function in tools/mgmt-tester.c of the component BlueZ. An attacker with physical proximity to device can send specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package bluez to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 22.04

libbluetooth3 (Ubuntu package): before Ubuntu Pro

bluez-tests (Ubuntu package): before 5.64-0ubuntu1.3

bluez (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6809-1


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Buffer overflow

EUVDB-ID: #VU75105

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-27349

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the handling of the AVRCP protocol. A remote attacker with physical proximity to device can send specially crafted Bluetooth packets to the affected system, trigger memory corruption and execute arbitrary code on the system.


Mitigation

Update the affected package bluez to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 22.04

libbluetooth3 (Ubuntu package): before Ubuntu Pro

bluez-tests (Ubuntu package): before 5.64-0ubuntu1.3

bluez (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6809-1


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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