Security Bulletin
Summary
Java SE issues disclosed in the Oracle January 2020 Critical Patch Update, plus one additional vulnerability. This bulletin does not cover CVE-2020-2601, CVE-2020-2654, and CVE-2020-2590. The fixes for these issue are targeted for future releases and will be covered by additional bulletins.
Vulnerability Details
DESCRIPTION: An unspecified vulnerability in Java SE could allow an unauthenticated attacker to take control of the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174551 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2020-2593
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE Networking component could allow an unauthenticated attacker to cause low confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 4.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174541 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)
CVEID: CVE-2020-2659
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE Networking component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174606 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2020-2583
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE Serialization component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174531 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2019-4732
DESCRIPTION: IBM SDK, Java Technology Edition Version could allow a local authenticated attacker to execute arbitrary code on the system, caused by DLL search order hijacking vulnerability in Microsoft Windows client. By placing a specially-crafted file in a compromised folder, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 7.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172618 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H)
Affected Products and Versions
7.0.0.0 - 7.0.10.55
7.1.0.0 - 7.1.4.55
8.0.0.0 - 8.0.6.0
Note: CVE-2019-4732 is only applicable on Microsoft Windows.
Remediation/Fixes
7.1.4.60
8.0.6.5
IBM SDK, Java Technology Edition releases can be downloaded, subject to the terms of the developerWorks license, from the Java Developer Center.
IBM customers requiring an update for an SDK shipped with an IBM product should contact IBM support, and/or refer to the appropriate product security bulletin.
APAR numbers are as follows:
IJ22356 (CVE-2020-2604)
IJ22357 (CVE-2020-2593)
IJ22358 (CVE-2020-2659)
IJ22359 (CVE-2020-2583)
IJ22355 (CVE-2019-4732)
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Oracle January 2020 Java SE Critical Patch Update Advisory
IBM SDK, Java Technology Edition Security Vulnerabilities
Acknowledgement
CVE-2019-4732 was reported by Honggang Ren of Fortinet's FortiGuard Labs
Change History
31 Jan 2020: Initial Publication
12 Mar 2020: Removed incorrect reference to CVE-2020-2585. Replaced with correct reference to CVE-2020-2601.
*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:
12 March 2020
UID
ibm11288060