SB2018062809 - Red Hat update for jboss



SB2018062809 - Red Hat update for jboss

Published: June 28, 2018

Security Bulletin ID SB2018062809
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Deserialization of untrusted data (CVE-ID: CVE-2018-7489)

The vulnerability allows a remote unauthenticated attacker to bypass security restrictions and execute arbitrary code on the target system.

The weakness exists in the readValue method due to improper validation of user-input. A remote attacker can send malicious JSON input, bypass security restrictions and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

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.