Security Bulletin
Summary
IBM Event Streams is affected by the following vulnerabilities in the included cURL application.
Vulnerability Details
CVEID: CVE-2018-16840
DESCRIPTION: cURL is vulnerable to a denial of service, caused by a heap use-after-free flaw in the Curl_close function. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152299 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2018-16842
DESCRIPTION: cURL could allow a remote attacker to obtain sensitive information, caused by a heap-based buffer over-read in the display function in the command line tool. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service condition.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152300 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
CVEID: CVE-2018-16839
DESCRIPTION: cURL is vulnerable to a heap-based buffer overflow, caused by an integer overflow in the Curl_auth_create_plain_message function. By sending a specially-crafted request, an attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152298 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
IBM Event Streams 2018.3.0
Remediation/Fixes
Upgrade to IBM Event Streams version 2018.3.1. You can download version 2018.3.1 from IBM Passport Advantage: https://www.ibm.com/software/passportadvantage/pao_customer.html.
Workarounds and Mitigations
None
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References
Change History
17 December 2018: original document published
*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.
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Document Information
Modified date:
17 December 2018
UID
ibm10787513