SB2021033047 - Resource exhaustion in IBM Cloud Transformation Advisor
Published: March 30, 2021
Security Bulletin ID
SB2021033047
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 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2017-16086)
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 when parsing regular expressions.A remote attacker can pass a very long UserAgent header to the application and trigger a Regular Expression Denial of Service (ReDoS).
Server-side applications that use "ua-parser-js" for parsing the browser user-agent string will be vulnerable if they call the "getOS" or "getResult" functions.
Remediation
Install update from vendor's website.