SB2021052659 - Multiple vulnerabilities in Red Hat OpenStack 16.1 packages
Published: May 26, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) CRLF injection (CVE-ID: CVE-2020-11078)
CWE-ID: CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform CRLF injection attacks.
The vulnerability exists due to insufficient filtration of user-supplied data. A remote attacker controlling unescaped part of uri for "httplib2.Http.request()" can change request headers and body, send additional hidden requests to same server.
2) Resource exhaustion (CVE-ID: CVE-2021-21240)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion by tricking the application to connect to a malicious server that responds with long series of "xa0" characters in the "www-authenticate" header.
Remediation
Install update from vendor's website.