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Security Bulletin: IBM RackSwitch firmware products are affected by a vulnerability in glibc (CVE-2021-35942)

Security Bulletin


Summary

The following vulnerability in glibc has been addressed by IBM RackSwitch firmware products.

Vulnerability Details

CVEID:   CVE-2021-35942
DESCRIPTION:   GNU C Library (aka glibc) could allow a local attacker to obtain sensitive information, caused by a flaw when called with an untrusted, crafted pattern in thewordexp function. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain read arbitrary memory in parse_param (in posix/wordexp.c), or cause the application to crash.
CVSS Base score: 7.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206317 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)

Affected Products and Versions

Affected ProductsVersions
G70287.6
G83167.9
G80527.11
G82647.11
G83327.7
G8264T7.9
G8124/G8124E7.11
G8264CS_SI_Fabric_Image 7.8
G8264CS 7.8

 


Remediation/Fixes

Firmware fix versions are available on Fix Central: http://www.ibm.com/support/fixcentral/

ProductsFix Version

IBM RackSwitch G7028

(G7028_Image_7.6.12.0)

7.6.12.0

IBM RackSwitch G8316

(G8316_Image_7.9.34.0)

7.9.34.0

IBM RackSwitch G8052

(G8052_Image_7.11.24.0)

7.11.24.0

IBM RackSwitch G8264

(G8264_Image_7.11.24.0)

7.11.24.0

IBM RackSwitch G8332

(G8332_Image_7.7.40.0)

7.7.40.0

IBM RackSwitch G8264T

(G8264T_Image_7.9.34.0)

7.9.34.0

IBM RackSwitch G8124/G8124E

(G8124_G8124E_Image_7.11.24.0) 

7.11.24.0

G8264CS_SI_Fabric_Image - Bundle

(G8264CS_SI_Fabric_Image_7.8.32.0) 

7.8.32.0

IBM RackSwitch G8264CS 

(G8264CS_Image_7.8.32.0)

7.8.32.0

 

 

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Lenovo Product Security Advisories

Change History

02 Jun 2022: Initial Publication

*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.

Document Location

Worldwide

[{"Business Unit":{"code":"BU050","label":"BU NOT IDENTIFIED"},"Product":{"code":"SSWLYD","label":"PureFlex System \u0026 Flex System"},"Component":"Switch Software","Platform":[{"code":"PF009","label":"Firmware"}],"Version":"All","Edition":""}]

Document Information

Modified date:
02 June 2022

UID

ibm16591511

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