SB2018021605 - Debian update for jackson-databind



SB2018021605 - Debian update for jackson-databind

Published: February 16, 2018

Security Bulletin ID SB2018021605
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-2017-17485)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in the FasterXML jackson-databind library due to improper validation of user-input handled by the readValue method of the ObjectMapper object. A remote attacker can send malicious input to the vulnerable method of a web application that uses the Spring library in the application's classpath 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-2018-5968)

The vulnerability allows a remote attacker to execute arbitrary code.

The weakness exists due to deserialization flaw. A remote attacker can supply specially crafted input, execute arbitrary code and bypass a blacklist on the target system.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.