Bug 1641446 (CVE-2017-5732) - CVE-2017-5732 edk2: Privilege escalation via processing of malformed files in BaseUefiDecompressLib.c
Summary: CVE-2017-5732 edk2: Privilege escalation via processing of malformed files in...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2017-5732
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1641448 1641447 1641449 1666586
Blocks: 1641438
TreeView+ depends on / blocked
 
Reported: 2018-10-22 06:03 UTC by Sam Fowler
Modified: 2021-02-16 22:53 UTC (History)
6 users (show)

Fixed In Version:
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Last Closed: 2019-08-06 13:20:10 UTC
Embargoed:


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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:2125 0 None None None 2019-08-06 12:17:56 UTC

Description Sam Fowler 2018-10-22 06:03:49 UTC
In EDK II, a vulnerability exists in BaseUefiDecompressLib.c (MdePkg/Library/BaseUefiDecompressLib). 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/show_bug.cgi?id=686

Comment 1 Sam Fowler 2018-10-22 06:04:53 UTC
Created edk2 tracking bugs for this issue:

Affects: epel-all [bug 1641448]
Affects: fedora-all [bug 1641447]

Comment 5 errata-xmlrpc 2019-08-06 12:17:54 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2125 https://access.redhat.com/errata/RHSA-2019:2125

Comment 6 Product Security DevOps Team 2019-08-06 13:20:10 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2017-5732


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