REDHAT-BUG-1641442
First published: Mon Oct 22 2018(Updated: )
In EDK II, a vulnerability exists in TianoCompress.c (BaseTools/Source/C/TianoCompress) from github/tianocore/edk2. An authenticated attacker could exploit this via a crafted file to escalate privileges. External Reference: <a href="https://edk2-docs.gitbooks.io/security-advisory/content/edk-ii-tianocompress-bounds-checking-issues.html">https://edk2-docs.gitbooks.io/security-advisory/content/edk-ii-tianocompress-bounds-checking-issues.html</a> Upstream Bug: <a href="https://bugzilla.tianocore.org/show_bug.cgi?id=686">https://bugzilla.tianocore.org/show_bug.cgi?id=686</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TianoCore EDK II |
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Reference Links
- https://edk2-docs.gitbooks.io/security-advisory/content/edk-ii-tianocompress-bounds-checking-issues.html
- https://bugzilla.tianocore.org/show_bug.cgi?id=686
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1641444
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1641443
- https://access.redhat.com/errata/RHSA-2019:2125
- https://access.redhat.com/security/cve/cve-2017-5731
- https://bugzilla.redhat.com/show_bug.cgi?id=1641442
Frequently Asked Questions
What is the severity of REDHAT-BUG-1641442?
REDHAT-BUG-1641442 is classified as a medium severity vulnerability.
How do I fix REDHAT-BUG-1641442?
To fix REDHAT-BUG-1641442, apply the latest security patches provided for the TianoCore EDK II.
Who is affected by REDHAT-BUG-1641442?
REDHAT-BUG-1641442 affects users and systems running TianoCore EDK II that allow authenticated file uploads.
What type of vulnerability is REDHAT-BUG-1641442?
REDHAT-BUG-1641442 is a privilege escalation vulnerability due to improper checks in the TianoCompress.c file.
Can REDHAT-BUG-1641442 be exploited remotely?
No, REDHAT-BUG-1641442 requires authentication for exploitation as it targets authenticated users.
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