SB2017080114 - Red Hat update for libtirpc
Published: August 1, 2017 Updated: September 3, 2018
Security Bulletin ID
SB2017080114
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory corruption (CVE-ID: CVE-2018-14622)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to boundary error when checking the return value of the makefd_xprt() function, as defined in the svc_vc.csource code. A remote attacker can flood a targeted system with new connections, exhaust the maximum number of available file descriptors, trigger NULL pointer dereference and cause the affected software to terminate abnormally.
Remediation
Install update from vendor's website.