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AUSCERT External Security Bulletin Redistribution
ESB-2021.3763
Safestring Library Advisory
10 November 2021
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AusCERT Security Bulletin Summary
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Product: Intel Safestring Library
Publisher: Intel
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-33106
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00584.html
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Intel ID: INTEL-SA-00584
Advisory Category: Software
Impact of vulnerability : Escalation of Privilege
Severity rating : MEDIUM
Original release: 11/09/2021
Last revised: 11/09/2021
Summary:
A potential security vulnerability in the Safestring library maintained by
Intel may allow escalation of privilege. Intel is releasing a library update to
mitigate this potential vulnerability.
Vulnerability Details:
CVEID: CVE-2021-33106
Description: Integer overflow in the Safestring library maintained by Intel(R)
may allow an authenticated user to potentially enable escalation of privilege
via local access.
CVSS Base Score: 6.7 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Products:
Safestring library maintained by Intel before commit id
efbd4066ea215f03342c1f0e5888102badf14477 Date: Thu Jul 22 09:15:47 2021 +0300.
Recommendations:
Intel recommends updating the Safestring library to commit id
efbd4066ea215f03342c1f0e5888102badf14477 Date: Thu Jul 22 09:15:47 2021 +0300
or later.
Updates are available for download at this location: https://github.com/intel/
safestringlib
Acknowledgements:
Intel would like to thank Guy Acosta, Microsoft Corporation for reporting this
issue.
Intel, and nearly the entire technology industry, follows a disclosure practice
called Coordinated Disclosure, under which a cybersecurity vulnerability is
generally publicly disclosed only after mitigations are available.
Revision History
Revision Date Description
1.0 11/09/2021 Initial Release
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