openEuler 22.03 LTS SP1 update for qemu
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-3255 |
| CWE-ID | CWE-835 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system qemu-seabios Operating systems & Components / Operating system package or component qemu-help Operating systems & Components / Operating system package or component qemu-system-aarch64 Operating systems & Components / Operating system package or component qemu-guest-agent Operating systems & Components / Operating system package or component qemu-system-x86_64 Operating systems & Components / Operating system package or component qemu-system-arm Operating systems & Components / Operating system package or component qemu-block-iscsi Operating systems & Components / Operating system package or component qemu-block-curl Operating systems & Components / Operating system package or component qemu-img Operating systems & Components / Operating system package or component qemu-debuginfo Operating systems & Components / Operating system package or component qemu-block-ssh Operating systems & Components / Operating system package or component qemu-block-rbd Operating systems & Components / Operating system package or component qemu-system-riscv Operating systems & Components / Operating system package or component qemu-debugsource Operating systems & Components / Operating system package or component qemu-hw-usb-host Operating systems & Components / Operating system package or component qemu Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Infinite loop
EUVDB-ID: #VU78946
Risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-3255
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the vnc_client_cut_text_ext function in ui/vnc-clipboard.c. A remote authenticated client who is able to send a clipboard to the QEMU built-in VNC server can perform a denial of service conditions.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 22.03 LTS SP1
qemu-seabios: before 6.2.0-83
qemu-help: before 6.2.0-83
qemu-system-aarch64: before 6.2.0-83
qemu-guest-agent: before 6.2.0-83
qemu-system-x86_64: before 6.2.0-83
qemu-system-arm: before 6.2.0-83
qemu-block-iscsi: before 6.2.0-83
qemu-block-curl: before 6.2.0-83
qemu-img: before 6.2.0-83
qemu-debuginfo: before 6.2.0-83
qemu-block-ssh: before 6.2.0-83
qemu-block-rbd: before 6.2.0-83
qemu-system-riscv: before 6.2.0-83
qemu-debugsource: before 6.2.0-83
qemu-hw-usb-host: before 6.2.0-83
qemu: before 6.2.0-83
CPE2.3- cpe:2.3:o:openeuler:openeuler:22.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:a:openeuler:qemu-seabios:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-system-aarch64:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-guest-agent:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-system-x86_64:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-system-arm:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-block-iscsi:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-block-curl:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-img:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-block-ssh:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-block-rbd:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-system-riscv:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu-hw-usb-host:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:qemu:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1786
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
