SB2017120205 - Denial of service in Apache Struts
Published: December 2, 2017
Security Bulletin ID
SB2017120205
Severity
Medium
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) Improper input validation (CVE-ID: CVE-2017-15707)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the REST Plugin is using an outdated JSON-lib library, which is vulnerable to DoS attack. A remote attacker can send a request with specially crafted JSON payload and perform a denial of service (DoS) attack.
2) Deserialization of untrusted data (CVE-ID: CVE-2017-7525)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to a deserialization flaw in the jackson-databind component. A remote attacker can send a specially crafted input to the readValue method of the ObjectMapper and execute arbitrary code with privileges of the target service.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.