Vulnerability identifier: #VU14810
Vulnerability risk: Low
CVSSv3.1: 3 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
OpenBSD
Operating systems & Components /
Operating system
Vendor: OpenBSD
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improper access control to LDTR registry on AMD systems in sys/arch/amd64/amd64/vmm_support.S. A remote attacker with access to virtual machine can access data in LDTR registry that belong to another virtual machine.
Mitigation
Install patch from vendor's website.
Vulnerable software versions
OpenBSD: 6.2
External links
http://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/024_ldtr.patch.sig
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.