SB2019080616 - Red Hat update for http-parser
Published: August 6, 2019
Security Bulletin ID
SB2019080616
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) HTTP response splitting (CVE-ID: CVE-2018-7159)
The vulnerability allows a remote attacker to write arbitrary files on the target system.The weakness exists due to spaces in Content-Length HTTP headers from Node.js’s HTTP module entirely ignore spaces within the value, despite the HTTP specification not allowing spaces within the values. A remote attacker can confuse the script and write arbitrary files.
2) Heap-based buffer overflow (CVE-ID: CVE-2018-12121)
The disclosed vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to heap-based buffer overflow. A remote attacker can send many requests with the maximum size HTTP header of nearly 80kb/connection in combination with carefully handled completion of those headers, trigger memory corruption and cause the Node.js HTTP server to abort.
Remediation
Install update from vendor's website.