REDHAT-BUG-1641465: Buffer Overflow
First published: Mon Oct 22 2018(Updated: )
In EDK II, a vulnerability exists in BaseUefiDecompressLib.c, TianoCompress.c, and UEFI specification via a heap-based buffer overflow in the Decode() function. 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=1641468
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1641467
- https://access.redhat.com/errata/RHSA-2019:2125
- https://access.redhat.com/security/cve/cve-2017-5735
- https://bugzilla.redhat.com/show_bug.cgi?id=1641465
Frequently Asked Questions
What is the severity of REDHAT-BUG-1641465?
The severity of REDHAT-BUG-1641465 is critical due to the potential for privilege escalation.
How do I fix REDHAT-BUG-1641465?
To fix REDHAT-BUG-1641465, you should apply the latest patches provided for TianoCore EDK II.
Who is affected by REDHAT-BUG-1641465?
TianoCore EDK II users are affected by the vulnerability in REDHAT-BUG-1641465.
What type of vulnerability is REDHAT-BUG-1641465?
REDHAT-BUG-1641465 is a heap-based buffer overflow vulnerability.
Can REDHAT-BUG-1641465 be exploited remotely?
No, REDHAT-BUG-1641465 requires an authenticated attacker to exploit the vulnerability.
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