Fedora 39 update for libnbd



Published: 2023-11-10
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-5871
CWE-ID CWE-617
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Operating systems & Components / Operating system

libnbd
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Reachable Assertion

EUVDB-ID: #VU82990

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5871

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion in nbd_block_status() function. A remote attacker can send specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 39

libnbd: before 1.18.1-2.fc39

External links

http://bodhi.fedoraproject.org/updates/FEDORA-2023-00c130636a


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.



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