CVE-2021-42056
First published: Fri Jun 24 2022(Updated: )
Thales Safenet Authentication Client (SAC) for Linux and Windows through 10.7.7 creates insecure temporary hid and lock files allowing a local attacker, through a symlink attack, to overwrite arbitrary files, and potentially achieve arbitrary command execution with high privileges.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Thalesgroup Safenet Authentication Client | <=10.7.7 | |
| Linux Linux kernel | ||
| Microsoft Windows |
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Reference Links
Frequently Asked Questions
What is CVE-2021-42056?
CVE-2021-42056 is a vulnerability in Thales Safenet Authentication Client (SAC) for Linux and Windows through version 10.7.7.
How can a local attacker exploit CVE-2021-42056?
A local attacker can exploit CVE-2021-42056 by using a symlink attack to overwrite arbitrary files and potentially achieve arbitrary command execution with high privileges.
What is the severity of CVE-2021-42056?
CVE-2021-42056 has a severity rating of 6.7 (high).
How can I fix CVE-2021-42056?
To fix CVE-2021-42056, it is recommended to update Thales Safenet Authentication Client (SAC) to version 10.7.8 or later.
Where can I find more information about CVE-2021-42056?
More information about CVE-2021-42056 can be found at the following reference: [link](https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056)
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