SB2018062019 - Red Hat update for glibc
Published: June 20, 2018
Security Bulletin ID
SB2018062019
Severity
High
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2017-15670)
The vulnerability allows a remote attacker to execute arbitrary code with elevated privileges on the target system.The weakness exists in the glob function in glob.c due to off-by-one error. A remote attacker can trigger heap-based buffer overflow and execute arbitrary code with root privileges.
Successful exploitation of the vulnerability may result in system compromise.
2) Buffer overflow (CVE-ID: CVE-2017-15804)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists in the glob function in glob.c due to buffer overflow during unescaping of user names with the ~ operator. A remote attacker can trigger memory corruption and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.