SUSE update for libnbd
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-5215 |
| CWE-ID | CWE-252 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
openSUSE Leap Operating systems & Components / Operating system libnbd-bash-completion Operating systems & Components / Operating system package or component libnbd0-debuginfo Operating systems & Components / Operating system package or component libnbd Operating systems & Components / Operating system package or component nbdfuse-debuginfo Operating systems & Components / Operating system package or component nbdfuse Operating systems & Components / Operating system package or component python3-libnbd Operating systems & Components / Operating system package or component python3-libnbd-debuginfo Operating systems & Components / Operating system package or component libnbd-devel Operating systems & Components / Operating system package or component libnbd-debugsource Operating systems & Components / Operating system package or component libnbd0 Operating systems & Components / Operating system package or component libnbd-debuginfo Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Unchecked Return Value
EUVDB-ID: #VU82550
Risk: Medium
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-5215
CWE-ID:
CWE-252 - Unchecked Return Value
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation when handling server responses in NBD client. A remote server can return a block size larger than 2^63 and crash the client.
Update the affected package libnbd to the latest version.
Vulnerable software versionsopenSUSE Leap: 15.3 - 15.5
libnbd-bash-completion: before 1.18.1-150300.8.15.1
libnbd0-debuginfo: before 1.18.1-150300.8.15.1
libnbd: before 1.18.1-150300.8.15.1
nbdfuse-debuginfo: before 1.18.1-150300.8.15.1
nbdfuse: before 1.18.1-150300.8.15.1
python3-libnbd: before 1.18.1-150300.8.15.1
python3-libnbd-debuginfo: before 1.18.1-150300.8.15.1
libnbd-devel: before 1.18.1-150300.8.15.1
libnbd-debugsource: before 1.18.1-150300.8.15.1
libnbd0: before 1.18.1-150300.8.15.1
libnbd-debuginfo: before 1.18.1-150300.8.15.1
CPE2.3- cpe:2.3:o:suse:opensuse_leap:15.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:libnbd-bash-completion:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libnbd0-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libnbd:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:nbdfuse-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:nbdfuse:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:python3-libnbd:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:python3-libnbd-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libnbd-devel:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libnbd-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libnbd0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:libnbd-debuginfo:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2023/suse-su-20234222-1/
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.
