SB2020031235 - CentOS 6 update for kernel 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020031235

SB2020031235 - CentOS 6 update for kernel

Published: March 12, 2020 Updated: March 28, 2020

Security Bulletin ID SB2020031235
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-17055)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the base_sock_create in drivers/isdn/mISDN/socket.c in the AF_ISDN network module for the Linux kernel does not enforce CAP_NET_RAW. A local unprivileged user can create a raw socket.


2) Buffer overflow (CVE-ID: CVE-2019-17133)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the cfg80211_mgd_wext_giwessid function in net/wireless/wext-sme.c in Linux kernel, because the affected component does not reject a long SSID IE. A remote attacker on the local wireless network can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References