SUSE update for libnbd

1) Error Handling

EUVDB-ID: #VU61494

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0485

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to error handling mechanism within the nbdcopy tool when performing multi-threaded copies using asynchronous nbd calls. This could result in the silent creation of a corrupted destination image.

Mitigation

Update the affected package libnbd to the latest version.

Vulnerable software versions

openSUSE Leap: 15.3 - 15.4

libnbd-bash-completion: before 1.9.3-150300.8.9.1

nbdfuse-debuginfo: before 1.9.3-150300.8.9.1

nbdfuse: before 1.9.3-150300.8.9.1

libnbd0-debuginfo: before 1.9.3-150300.8.9.1

libnbd0: before 1.9.3-150300.8.9.1

libnbd-devel: before 1.9.3-150300.8.9.1

libnbd-debugsource: before 1.9.3-150300.8.9.1

libnbd-debuginfo: before 1.9.3-150300.8.9.1

libnbd: before 1.9.3-150300.8.9.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222347-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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