SB2017070402 - Slackware Linux 14.0 update for kernel



SB2017070402 - Slackware Linux 14.0 update for kernel

Published: July 4, 2017

Security Bulletin ID SB2017070402
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
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) Memory corruption (CVE-ID: CVE-2017-1000364)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to memory management errors in implementation of various functions under multiple operating systems. A local or remote attacker can trigger the affected application to process specially crafted data, trigger memory corruption and execute arbitrary code on the target system. The vulnerability is dubbed by Qualys researchers as “Stack Clash”.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


2) Privilege escalation (CVE-ID: CVE-2017-7482)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to buffer overflow. A local attacker can load a specially crafted Kerberos 5 ticket into a RxRPC key, trigger memory corruption and execute arbitrary code with root privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.