SB2020022527 - Red Hat Enterprise Linux Server 7.4 update for systemd
Published: February 25, 2020
Security Bulletin ID
SB2020022527
Severity
Low
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) Privilege escalation (CVE-ID: CVE-2018-15686)
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists due to an error in unit_deserialize of systemd. A remote attacker can supply arbitrary state across systemd re-execution via NotifyAccess and gain root privileges.
2) Out-of-bounds read (CVE-ID: CVE-2018-16866)
The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.The weakness exists due to out-of-bounds read when handling malicious input. A local attacker can run a specially crafted application and access memory processes data.
Remediation
Install update from vendor's website.