SB2017101109 - Denial of service in IBM iNotes



SB2017101109 - Denial of service in IBM iNotes

Published: October 11, 2017

Security Bulletin ID SB2017101109
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Denial of service (CVE-ID: CVE-2017-7957)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to XStream mishandles attempts to create an instance of the primitive type 'void' during unmarshalling when a certain denyTypes workaround is not used. A remote attacker can perform demonstrated by an xstream.fromXML("<void/>") call, trigger an unmarshalling error in XStream and cause the target service to crash.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Install update from vendor's website.