Security Bulletin
Summary
The following vulnerability in glibc has been addressed by IBM Flex System switch 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 Products | Version |
| IBM Flex System EN2092 1Gb Ethernet Scalable Switch | 7.8 |
| IBM Flex System Fabric SI4093 GbFSIM 10Gb Scalable Switch | 7.8 |
| IBM Flex System Fabric EN4093/EN4093R 10Gb Scalable Switch | 7.8 |
| IBM Flex System CN4093 10Gb Converged Scalable Switch | 7.8 |
Remediation/Fixes
Firmware fix versions are available on Fix Central: http://www.ibm.com/support/fixcentral/
| Products | Fix Version |
|
IBM Flex System EN2092 1Gb Ethernet Scalable Switch firmware (ibm_fw_scsw_en2092-7.8.32.0_anyos_noarch) | 7.8.32.0 |
|
IBM Flex System Fabric SI4093 System Interconnect Module firmware (ibm_fw_scsw_si4093-7.8.32.0_anyos_noarch) | 7.8.32.0 |
|
IBM Flex System Fabric EN4093/EN4093R 10Gb Scalable Switch firmware (ibm_fw_scsw_en4093r-7.8.32.0_anyos_noarch) | 7.8.32.0 |
|
IBM Flex System CN4093 10Gb Converged Scalable Switch firmware (ibm_fw_scsw_cn4093-7.8.32.0_anyos_noarch) | 7.8.32.0 |
Workarounds and Mitigations
None
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References
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
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Document Information
Modified date:
02 June 2022
Initial Publish date:
02 June 2022
UID
ibm16591509