openEuler 20.03 LTS SP1 update for bluez

1) Out-of-bounds read

EUVDB-ID: #VU67751

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3588

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the cli_feat_read_cb() function in src/gatt-database.c. A remote attacker on the local network can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

bluez-help: before 5.54-3

bluez-cups: before 5.54-3

bluez-debugsource: before 5.54-3

bluez-devel: before 5.54-3

bluez-debuginfo: before 5.54-3

bluez-libs: before 5.54-3

bluez: before 5.54-3

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1254

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.