SB2017070305 - Slackware Linux update for kernel
Published: July 3, 2017
Security Bulletin ID
SB2017070305
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) 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.
2) Security restrictions bypass (CVE-ID: CVE-2017-7482)
The vulnerability allows a local attacker to bypass security restrictions on the target system.The weakness exists due to the failure to take the argument and environment strings passed through RLIMIT_STACK/RLIM_INFINITY (1/4 of the size) into account when imposing a size restriction. A local attacker can bypass security limitation and perform unauthorized actions.
Successful exploitation of the vulnerability results in access to the system.
Remediation
Install update from vendor's website.