Ubuntu update for bluez



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-50229
CVE-2023-50230
CWE-ID CWE-122
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Ubuntu
Operating systems & Components / Operating system

libbluetooth3 (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) Heap-based buffer overflow

EUVDB-ID: #VU84605

Risk: Medium

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

CVE-ID: CVE-2023-50229

CWE-ID: CWE-122 - Heap-based Buffer Overflow

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 Phone Book Access profile. A remote attacker on the local network can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package bluez to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

libbluetooth3 (Ubuntu package): before 5.53-0ubuntu3.9

bluez (Ubuntu package): before 5.53-0ubuntu3.9

CPE2.3 External links

http://ubuntu.com/security/notices/USN-7222-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

2) Heap-based buffer overflow

EUVDB-ID: #VU84603

Risk: Medium

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

CVE-ID: CVE-2023-50230

CWE-ID: CWE-122 - Heap-based Buffer Overflow

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 Phone Book Access profile. A remote attacker on the local network can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package bluez to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

libbluetooth3 (Ubuntu package): before 5.53-0ubuntu3.9

bluez (Ubuntu package): before 5.53-0ubuntu3.9

CPE2.3 External links

http://ubuntu.com/security/notices/USN-7222-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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