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Security Bulletin: IBM has announced a release for IBM Security Identity Governance and Intelligence in response to security vulnerability (CVE-2018-5391)

Security Bulletin


Summary

IBM has announced a release for IBM Security Identity Governance and Intelligence (IGI) in response to security vulnerability. A vulnerability in the Linux kernel, included in IBM Security Identity Governance and Intelligence (IGI), affects the way the Linux kernel handles reassembly of fragmented IPv4 and IPv6 packets. By sending specially crafted IP fragments with random offsets, a remote attacker could exploit this vulnerability to exhaust all available CPU resources and cause a denial of service.

Vulnerability Details

CVEID: CVE-2018-5391
DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by the improper handling of the reassembly of fragmented IPv4 and IPv6 packets by the IP implementation. By sending specially crafted IP fragments with random offsets, a remote attacker could exploit this vulnerability to exhaust all available CPU resources and cause a denial of service.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/148388 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM Security Identity Governance and Intelligence (IGI) 5.2.4, 5.2.4.1

Remediation/Fixes

Product Name

VRMF First Fix
IGI 5.2.4 5.2.5.0-ISS-SIGI-FP0000
IGI 5.2.4.1 5.2.5.0-ISS-SIGI-FP0000

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

09 July 2019: Original Version 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

Record number:  127301
Advisory number: 14228
Advisory title: MCP 8 affected by Open Source - 1 issue for kernel

Document Location

Worldwide

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Product Synonym

IGI; IGA

Document Information

Modified date:
19 July 2019

UID

ibm10958679