REDHAT-BUG-1641458: 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 stack-based buffer overflow in the MakeTable() 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 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
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=1641462
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1641461
- https://access.redhat.com/errata/RHSA-2019:2125
- https://access.redhat.com/security/cve/cve-2017-5734
- https://bugzilla.redhat.com/show_bug.cgi?id=1641458
Frequently Asked Questions
What is the severity of REDHAT-BUG-1641458?
The severity of REDHAT-BUG-1641458 is high due to a stack-based buffer overflow vulnerability that can be exploited to escalate privileges.
How do I fix REDHAT-BUG-1641458?
To fix REDHAT-BUG-1641458, you should apply the latest security updates for TianoCore EDK II that address this vulnerability.
Who is affected by REDHAT-BUG-1641458?
TianoCore EDK II users are affected by REDHAT-BUG-1641458 if they are running versions vulnerable to the stack-based buffer overflow.
What causes the vulnerability in REDHAT-BUG-1641458?
The vulnerability in REDHAT-BUG-1641458 is caused by insufficient bounds checking in the MakeTable() function within BaseUefiDecompressLib.c and TianoCompress.c.
Can REDHAT-BUG-1641458 be exploited remotely?
Yes, an authenticated attacker could exploit REDHAT-BUG-1641458 by providing a crafted file that triggers the buffer overflow.
- agent/type
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2017-5734
- agent/last-modified-date
- agent/references
- agent/severity
- agent/weakness
- agent/event
- agent/description
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/tianocore
- canonical/tianocore edk ii