Security Bulletin
Summary
There are multiple vulnerabilities in IBM Java Development kit, Version 7 which is used by IBM Rational Method Composer (RMC). These issues were disclosed as part of the IBM Java SDK updates in March 2019.
Vulnerability Details
CVEID: CVE-2018-12547
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a buffer overflow, caused by improper bounds checking by the jio_snprintf() and jio_vsnprintf() functions. By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/157512 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)
CVEID: CVE-2019-2426
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java SE Networking component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/155744 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
CVEID: CVE-2018-11212
DESCRIPTION: libjpeg is vulnerable to a denial of service, caused by divide-by-zero error in the alloc_sarray function in jmemmgr.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/143429 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
Affected Products and Versions
Remediation/Fixes
For Rational Method Composer 7.5.3.1 , upgrade the IBM Java development kit used with Rational Method Composer to version 7.1.4.40, which can be downloaded from:
Rational-RMC-7.5.3.1-JavaSE-JDK-7.1SR4FP40
For Rational Method Composer 7.5.3.0 , upgrade the IBM Java development kit used with Rational Method Composer to version 7.1.4.40, which can be downloaded from:
Rational-RMC-7.5.3.0-JavaSE-JDK-7.1SR4FP40
For Rational Method Composer 7.5.2.4 , upgrade the IBM Java development kit used with Rational Method Composer to version 7.0.10.40, which can be downloaded from:
Rational-RMC-7.5.2.4-JavaSE-JDK-7.0SR10FP40
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
26 April 2019: Initial draft 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.
Internal Use Only
Document Location
Worldwide
Product Synonym
Rational Method Composer
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Document Information
Modified date:
26 April 2019
UID
ibm10882536