openEuler update for bluez



Published: 2024-03-12 | Updated: 2024-03-22
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-45866
CVE-2020-0556
CWE-ID CWE-20
CWE-264
Exploitation vector Local network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		openEuler
Operating systems & Components / Operating system

bluez-help
Operating systems & Components / Operating system package or component

bluez-debuginfo
Operating systems & Components / Operating system package or component

bluez-libs
Operating systems & Components / Operating system package or component

bluez-debugsource
Operating systems & Components / Operating system package or component

bluez-cups
Operating systems & Components / Operating system package or component

bluez-devel
Operating systems & Components / Operating system package or component

bluez
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU83831

Risk: Medium

CVSSv3.1: 6.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-45866

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an unspecified vulnerability in Bluetooth implementation. A remote attacker with physical proximity to device can inject keystrokes by spoofing a keyboard and execute arbitrary commands on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS SP2

bluez-help: before 5.54-13

bluez-debuginfo: before 5.54-13

bluez-libs: before 5.54-13

bluez-debugsource: before 5.54-13

bluez-cups: before 5.54-13

bluez-devel: before 5.54-13

bluez: before 5.54-13

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1948


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. However, proof of concept for this vulnerability is available.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU26047

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0556

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to improper access control in subsystem for BlueZ. A remote attacker on the local network can gain elevated privileges on the target system and cause a denial of service (DoS) condition.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS SP2

bluez-help: before 5.54-13

bluez-debuginfo: before 5.54-13

bluez-libs: before 5.54-13

bluez-debugsource: before 5.54-13

bluez-cups: before 5.54-13

bluez-devel: before 5.54-13

bluez: before 5.54-13

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1948


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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