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Security Bulletin: IBM Tivoli Monitoring Basic Services component (CVE-2019-15903)

Security Bulletin


Summary

Fixes a vulnerability reported in the libexpat parser that is used by IBM Tivoli Monitoring for parsing various configuration xml files as well as parsing soap requests.

Vulnerability Details

CVEID:   CVE-2019-15903
DESCRIPTION:   libexpat is vulnerable to a denial of service, caused by a heap-based buffer over-read in XML_GetCurrentLineNumber. By using a specially-crafted XML input, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/166560 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

The basic services module, kbb for IBM Tivoli Monitoring is affected and is included in the TEMA(ax/gl), TEMS(ms), TEPS(cq) and the User Interface Extensions(ue) components.

For the various configuration xml files used by ITM, if they were to be manipulated with malicious intent by someone with access to your ITM installation, then you could be vulnerable to the CVE reported in this bulletin. Configuration files include those for the firewall gateway as well as private situations and audit logging.

For soap server enabling soap security also reduces the risk to just malicious users with ITM access.

Affected Product(s)Version(s)
IBM Tivoli Monitoring6.3.0 - 6.3.0.7 (up to 6.3.0.7 Service pack 2)

Remediation/Fixes

 FixVRMFRemediation/Fix
 6.3.0.7-TIV-ITM-SP00036.3.0.7 IBM Tivoli Monitoring Service Pack 6.3.0.7-TIV-ITM-SP0003

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

10 Feb 2020: Initial 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.

Disclaimer

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.

Document Location

Worldwide

[{"Business Unit":{"code":"BU050","label":"BU NOT IDENTIFIED"},"Product":{"code":"SSZ8F3","label":"IBM Tivoli Monitoring V6"},"Component":"AX\/GL (TEMA)","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"},{"code":"PF027","label":"Solaris"},{"code":"PF010","label":"HP-UX"}],"Version":"6.3.0.7.0 - 6.3.0.7.11","Edition":""}]

Document Information

Modified date:
12 February 2020

UID

ibm12281731