CVE-2017-5731: Input Validation

Published Sep 24, 2018
·
Updated

Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access.

Other sources

Firmware. A memory corruption issue was addressed with improved input validation.

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:

https://edk2-docs.gitbooks.io/security-advisory/content/edk-ii-tianocompress-bounds-checking-issues.html

Upstream Bug:

https://bugzilla.tianocore.org/showbug.cgi?id=686

Red Hat

Credit

Intel, Eclypsium, Intel, Eclypsium, Intel, Eclypsium, Intel, Eclypsium, Intel, Eclypsium

Affected Software

3 affected componentsFixes available
redhat/ovmf<0:20180508-6.gitee3198e672e2.el7
0:20180508-6.gitee3198e672e2.el7
Apple macOS Mojave<10.14
10.14
Tianocore edk2<2017-11-07

Event History

Oct 16, 2018
CVE Published
12:00 AM
Oct 22, 2018
Data Sourced
via Red Hat·06:01 AM
DescriptionSeverityAffected Software
Oct 28, 2019
CVE Published
via MITRE·02:47 PM
Data Sourced
via MITRE·02:47 PM
DescriptionWeakness
Jul 29, 2024
Data Sourced
via Launchpad·05:57 AM
Description
Data Sourced
via Debian·05:57 AM
DescriptionAffected Software
Sep 15, 2024
Data Sourced
via Ubuntu·06:03 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2017-5731?

CVE-2017-5731 is a vulnerability in Tianocompress that can potentially enable an escalation of privilege via local access.

2

What is the severity of CVE-2017-5731?

The severity of CVE-2017-5731 is medium, with a severity score of 6.7.

3

How does CVE-2017-5731 affect me?

CVE-2017-5731 may affect you if you are using the affected version of Tianocompress before November 7, 2017.

4

How can I fix CVE-2017-5731?

To fix CVE-2017-5731, update to the remedy version 0:20180508-6.gitee3198e672e2.el7 of the ovmf package provided by Red Hat.

5

Where can I find more information about CVE-2017-5731?

You can find more information about CVE-2017-5731 in the references provided: [CVE-2017-5731](https://www.cve.org/CVERecord?id=CVE-2017-5731), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-5731), [EDK II Security Advisory](https://edk2-docs.gitbooks.io/security-advisory/content/edk-ii-tianocompress-bounds-checking-issues.html), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1641442), [Red Hat Errata](https://access.redhat.com/errata/RHSA-2019:2125).

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