Security Bulletin: IBM Expeditor is affected by a denial of service vulnerability
IBM Expeditor, which is bundled and released with IBM Notes, is vulnerable to a denial of service involving persuading a user to click on a malicious link, which would ultimately cause the client to have to be restarted. IBM has addressed this vulnerability.
DESCRIPTION: IBM Notes is vulnerable to a denial of service. If a user is persuaded to click on a malicious link, it could cause the Notes client to hang and have to be restarted.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/121370 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM Expeditor 6.2.3
IBM Expeditor 6.2.2
IBM Expeditor 6.2.1
Customers may open a PMR via the IBM Support Portal and reference SPR PPUEAJ6C3N for custom fixes.
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ReferencesComplete CVSS v3 Guide
On-line Calculator v3
Related informationIBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
This vulnerability was reported to IBM by researcher Dhiraj Mishra.
31 August 2017: Original Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.