Security Bulletin: Multiple vulnerabilities in zlib affects IBM Common Inventory Technology (CIT)

Summary

zlib compression library is vulnerable to a denial of service attack.
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

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 Common Inventory Technology****v2.x

Remediation/Fixes

Upgrade IBM Common Inventory Technology (CIT) to version 2.8.0.4000 (or later) which is shipped with IBM BigFix Inventory or IBM License Metric Tool 9.2.8 fixlet site content:

• In IBM BigFix Console, expand IBM License Reporting orIBM BigFix Inventorynode underSites node in the tree panel.
• Click Fixlets and Tasks node.
• In the Fixlets and Tasks panel locate Install or Upgrade Scanner fixlet and run it against the computer that hosts IBM Common Inventory Technology component.

Workarounds and Mitigations

None