SB2018082323 - Multiple vulnerabilities in OpenBSD

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Main Vulnerability Database SB2018082323

SB2018082323 - Multiple vulnerabilities in OpenBSD

Published: August 23, 2018

Security Bulletin ID SB2018082323
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: N/A)

The 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. 



2) Information disclosure (CVE-ID: N/A)

The 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.




Remediation

Install update from vendor's website.

References