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Security Bulletin: A security vulnerability with net-snmp affects IBM Flex System Manager (CVE-2015-5621)

Created by Vern Yetzer on

Security Bulletin


Summary

A security vulnerability has been identified in net-snmp that is used by IBM Flex System Manager (FSM). This bulletin addresses this vulnerability.

Vulnerability Details

CVEID: CVE-2015-5621
DESCRIPTION: Net-SNMP is vulnerable to a denial of service, caused by incompletely parsed varBind variables being left in the list of variables by the snmp_pdu_parse() function. A remote attacker could exploit this vulnerability to cause the application to crash or possibly execute arbitrary code on the system.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/105232 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Flex System Manager 1.1.x.x

Flex System Manager 1.2.0.x

Flex System Manager 1.2.1.x

Flex System Manager 1.3.0.x

Flex System Manager 1.3.1.x

Flex System Manager 1.3.2.x

Flex System Manager 1.3.3.x

Flex System Manager 1.3.4.x

Remediation/Fixes

Product

VRMFAPARRemediation
Flex System Manager1.3.4.xIT11633fsmfix1.3.4.0_IT11633_IT11634_IT11652
Flex System Manager1.3.3.xIT11633fsmfix1.3.3.0_IT11633_IT11634_IT11652
Flex System Manager1.3.2.xIT11633fsmfix1.3.2.0_IT11633_IT11634_IT11652
Flex System Manager1.3.1.xIT11633IBM is no longer providing code updates for this release. Update to FSM 1.3.4.0 and follow the appropriate remediation for all vulnerabilities.
Flex System Manager1.3.0.xIT11633IBM is no longer providing code updates for this release. Update to FSM 1.3.4.0 and follow the appropriate remediation for all vulnerabilities.
Flex System Manager1.2.1.xIT11633Effective September 30, 2015 IBM has discontinued service for these version/release/modification/fix levels.
Flex System Manager1.2.0.xIT11633Effective September 30, 2015 IBM has discontinued service for these version/release/modification/fix levels.
Flex System Manager1.1.x.xIT11633Effective April 30, 2015 IBM has discontinued service for these version/release/modification/fix levels.

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

02 November 2015: 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.

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Document Information

Modified date:
17 June 2018

UID

isg3T1022824

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