SB2021031618 - Remote code injection in Apache Velocity Engine
Published: March 16, 2021
Security Bulletin ID
SB2021031618
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Code Injection (CVE-ID: CVE-2020-13936)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation. A remote attacker with ability to modify Velocity templates can inject and execute arbitrary Java code on the system with the same privileges as the account running the Servlet container.
Remediation
Install update from vendor's website.
References
- http://www.openwall.com/lists/oss-security/2021/03/10/1
- https://lists.apache.org/thread.html/r01043f584cbd47959fabe18fff64de940f81a65024bb8dddbda31d9a%40%3Cuser.velocity.apache.org%3E
- https://lists.apache.org/thread.html/r01043f584cbd47959fabe18fff64de940f81a65024bb8dddbda31d9a@%3Cuser.velocity.apache.org%3E
- https://lists.apache.org/thread.html/r3ea4c4c908505b20a4c268330dfe7188b90c84dcf777728d02068ae6@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/rb042f3b0090e419cc9f5a3d32cf0baff283ccd6fcb1caea61915d6b6@%3Ccommits.velocity.apache.org%3E