Multiple vulnerabilities in OpenBSD
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | N/A |
| CWE-ID | CWE-200 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
OpenBSD Operating systems & Components / Operating system |
| Vendor | OpenBSD |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Information disclosure
EUVDB-ID: #VU14517
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to absent security check when saving user's FPU in vm_machdep.c file. A local user can read FPU state of another userland process.
Mitigation
Install update from vendor's website.
OpenBSD: 6.2 - 6.3
External linkshttp://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/022_fpufork.patch.sig
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.
2) Information disclosure
EUVDB-ID: #VU14518
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: N/A
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to the Intel L1TF vulnerability that allows a vmm guest to read host memory. A local privileged user on virtual machine can gain access to data stored in memory on the host system.
Mitigation
Install update from vendor's website.
OpenBSD: 6.2 - 6.3
External linkshttp://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/018_vmml1tf.patch.sig
Q & A
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.
