SB2023052527 - Inconsistent interpretation of HTTP requests in IBM Cloud Pak for Security
Published: May 25, 2023
Security Bulletin ID
SB2023052527
CSH Severity
Medium
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 vulnerability.
1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2020-7764)
CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
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 attack.
The vulnerability exists due to web cache poisoning attack when accepting the Accept-Version header by default. A remote attacker can send a specially crafted HTTP request to the server to cause a denial of service condition.
Remediation
Install update from vendor's website.