openEuler 20.03 LTS update for bluez-5.50-8



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-10910
CVE-2020-0556
CWE-ID CWE-264
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

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

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

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

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

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

bluez-cups
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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU23113

Risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-10910

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists in BlueZ due to an error that may allow an attacker to turn on the Bluetooth Discoverable state, when no Bluetooth agent is registered with the system. A remote attacker with physical proximity to the device can remotely turn on Bluetooth agent and access the device without authorization in some cases.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS

bluez-libs: before 5.50-8

bluez-help: before 5.50-8

bluez-devel: before 5.50-8

bluez-debugsource: before 5.50-8

bluez-debuginfo: before 5.50-8

bluez-cups: before 5.50-8

bluez: before 5.50-8

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1012


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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU26047

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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

bluez-libs: before 5.50-8

bluez-help: before 5.50-8

bluez-devel: before 5.50-8

bluez-debugsource: before 5.50-8

bluez-debuginfo: before 5.50-8

bluez-cups: before 5.50-8

bluez: before 5.50-8

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1012


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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