SUSE update for bluez

1) Memory leak

EUVDB-ID: #VU79524

Risk: Medium

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:Green]

CVE-ID: CVE-2021-41229

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in sdp_cstate_alloc_buf() function. A remote attacker can send specially crafted packets to the device and perform denial of service attack.

Mitigation

Update the affected package bluez to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension 12: 12-SP5

SUSE Linux Enterprise Software Development Kit 12: SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

bluez-cups-debuginfo: before 5.13-5.42.2

bluez-cups: before 5.13-5.42.2

libbluetooth3-debuginfo: before 5.13-5.42.2

bluez: before 5.13-5.42.2

libbluetooth3: before 5.13-5.42.2

bluez-devel: before 5.13-5.42.2

bluez-debugsource: before 5.13-5.42.2

bluez-debuginfo: before 5.13-5.42.2

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_workstation_extension_12:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:bluez-cups-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:bluez-cups:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbluetooth3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:bluez:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbluetooth3:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:bluez-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:bluez-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:bluez-debuginfo:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20233689-1/

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.