Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
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
DescriptionThe 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.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1
qemu-seabios: before 4.1.0-76
qemu-help: before 4.1.0-76
qemu-block-ssh: before 4.1.0-76
qemu-img: before 4.1.0-76
qemu-guest-agent: before 4.1.0-76
qemu-block-curl: before 4.1.0-76
qemu-debugsource: before 4.1.0-76
qemu-block-rbd: before 4.1.0-76
qemu-debuginfo: before 4.1.0-76
qemu-block-iscsi: before 4.1.0-76
qemu: before 4.1.0-76
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1654
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.
EUVDB-ID: #VU85832
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-24165
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input in TCG Accelerator. A local user can escalate privileges on the system.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1
qemu-seabios: before 4.1.0-76
qemu-help: before 4.1.0-76
qemu-block-ssh: before 4.1.0-76
qemu-img: before 4.1.0-76
qemu-guest-agent: before 4.1.0-76
qemu-block-curl: before 4.1.0-76
qemu-debugsource: before 4.1.0-76
qemu-block-rbd: before 4.1.0-76
qemu-debuginfo: before 4.1.0-76
qemu-block-iscsi: before 4.1.0-76
qemu: before 4.1.0-76
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1654
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.