Security Bulletin: zlib vulnerability may affect IBM® SDK, Java™ Technology Edition

Security Bulletin

Summary

zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.

Vulnerability Details

CVE IDs: CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843

CVEID: CVE-2016-9840
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120508 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)

CVEID: CVE-2016-9841
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120509 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)

CVEID: CVE-2016-9842
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an undefined left shift of negative number. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120510 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)

CVEID: CVE-2016-9843
DESCRIPTION: zlib is vulnerable to a denial of service, caused by a big-endian out-of-bounds pointer. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120511 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

IBM SPSS Analytic Server 2.0.1.0
IBM SPSS Analytic Server 2.0.0.0

Remediation/Fixes

The fixes for these vulnerabilities are included in IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 3 Fix Pack 50 and subsequent releases.

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

*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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Security Bulletin: zlib vulnerability may affect IBM® SDK, Java™ Technology Edition