Security Bulletin
Summary
IBM MQ Appliance has addressed the following tcpdump vulnerability.
Vulnerability Details
CVEID: CVE-2018-19519
DESCRIPTION: Tcpdump is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the print_prefix function of print-hncp.c. By using specially-crafted packet data, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153314 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
DESCRIPTION: Tcpdump is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the print_prefix function of print-hncp.c. By using specially-crafted packet data, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153314 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM MQ Appliance | 9.1 LTS |
| IBM MQ Appliance | 9.1 CD |
Remediation/Fixes
IBM MQ Appliance version 9.1 LTS
Apply fixpack 9.1.0.5, or later.
IBM MQ Appliance version 9.1 CD
Apply Continuous Delivery release 9.1.5, or later.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Off
Change History
17 Apr 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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
22 April 2020
UID
ibm15694207