Security Bulletin: A Zip Slip vulnerability is exposed in Case Manager (CVE-2018-1884)

Summary

IBM Case Manager has addressed the following vulnerability. A Zip Slip vulnerability is exposed in Case Manager with the ability to import solution package zip files. (CVE-2018-1884)

Vulnerability Details

CVEID: CVE-2018-1884 DESCRIPTION: IBM Case Manager is vulnerabile to a “zip slip” vulnerability which could allow a remote attacker to execute code using directory traversal techniques.
CVSS Base Score: 4.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/151970&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

Product

|

VRMF

|

APAR

|

Remediation/First Fix

—|—|—|—
IBM Case Manager | 5.3.0.0 - 5.3.3.0 | PJ45456 | 5.3.3.0-ICM-IF001 or later versions
IBM Case Manager | 5.2.1.0 - 5.2.1.7 | PJ45494 | 5.2.1.7-ICM-IF004 or later
IBM Case Manager | 5.2.0.0 - 5.2.0.4 | PJ45495 | 5.2.0.4-ICM-IF003 or later

IBM Case Manager V5.1.1 is no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

The issue can be mitigated by doing the following:

1. Ensuring that the handling of solution package zip files are well controlled, where the package is not exposed to modification.
2. Generating and validating the checksum for the zip file at the source and target environment where the zip is to be exposed to the Case Manager product.