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Security Bulletin: CVE-2021-42771

Security Bulletin


Summary

A flaw was found in python-babel. A path traversal vulnerability was found in how locale data files are checked and loaded within python-babel, allowing a local attacker to trick an application that uses python-babel to load a file outside of the intended locale directory. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.

Vulnerability Details

CVEID:   CVE-2021-42771
DESCRIPTION:   Python-Babel Babel could allow a local authenticated attacker to traverse directories on the system, caused by a flaw in the Babel.Locale function. An attacker could load a specially-crafted .dat file containing "dot dot" sequences (/../) to execute arbitrary code on the system.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211766 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
PowerVC

2.0.0.0

2.0.1

2.0.1.1

2.0.2

2.0.2.1


Remediation/Fixes

 Product(s)VersionAPARRemediation
IBM PowerVC2.0.0.0IT39891https://www.ibm.com/support/fixcentral/swg/downloadFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/PowerVC&release=2.0.0.0&platform=All&function=fixId&fixids=2.0.0.0-PowerVC-RHEL-NOARCH-APAR-IT39891&includeRequisites=0&includeSupersedes=0&downloadMethod=http
IBM PowerVC2.0.1IT39891https://www.ibm.com/support/fixcentral/swg/downloadFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/PowerVC&release=2.0.1&platform=All&function=fixId&fixids=2.0.1-PowerVC-RHEL-NOARCH-APAR-IT39891&includeRequisites=0&includeSupersedes=0&downloadMethod=http
IBM PowerVC2.0.1.1IT39891https://www.ibm.com/support/fixcentral/swg/downloadFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/PowerVC&release=2.0.1.1&platform=All&function=fixId&fixids=2.0.1.1-PowerVC-RHEL-NOARCH-APAR-IT39891&includeRequisites=0&includeSupersedes=0&downloadMethod=http
IBM PowerVC 2.0.2IT39891https://www.ibm.com/support/fixcentral/swg/downloadFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/PowerVC&release=2.0.2&platform=All&function=fixId&fixids=2.0.2-PowerVC-RHEL-NOARCH-APAR-IT39891&includeRequisites=0&includeSupersedes=0&downloadMethod=http

IBM PowerVC

2.0.2.1IT39891https://www.ibm.com/support/fixcentral/swg/downloadFixes?parent=ibm%7EOther%20software&product=ibm/Other+software/PowerVC&release=2.0.2.1&platform=All&function=fixId&fixids=2.0.2.1-PowerVC-RHEL-NOARCH-APAR-IT39891&includeRequisites=0&includeSupersedes=0&downloadMethod=http

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

17 Feb 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:
17 February 2022

Initial Publish date:
17 February 2022

UID

ibm16557214