openEuler 20.03 LTS SP3 update for qemu

Published: 2023-09-15

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-13791 CVE-2020-24165
CWE-ID	CWE-125 CWE-20
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software Subscribe	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-guest-agent Operating systems & Components / Operating system package or component qemu-img Operating systems & Components / Operating system package or component qemu-block-ssh Operating systems & Components / Operating system package or component qemu-block-curl Operating systems & Components / Operating system package or component qemu-debuginfo Operating systems & Components / Operating system package or component qemu-block-rbd Operating systems & Components / Operating system package or component qemu-debugsource Operating systems & Components / Operating system package or component qemu-block-iscsi 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 information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU31807

Risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13791

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 in hw/pci/pci.c. A local user on the guest operating system can trigger out-of-bounds read error by providing an address near the end of the PCI configuration space and read contents of memory on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

qemu-seabios: before 4.1.0-80

qemu-help: before 4.1.0-80

qemu-guest-agent: before 4.1.0-80

qemu-img: before 4.1.0-80

qemu-block-ssh: before 4.1.0-80

qemu-block-curl: before 4.1.0-80

qemu-debuginfo: before 4.1.0-80

qemu-block-rbd: before 4.1.0-80

qemu-debugsource: before 4.1.0-80

qemu-block-iscsi: before 4.1.0-80

qemu: before 4.1.0-80

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1655

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU85832