Bug 1464968 - (CVE-2017-7496) CVE-2017-7496 fedora-arm-installer: Unsafe mount in /tmp allows privilege escalation
CVE-2017-7496 fedora-arm-installer: Unsafe mount in /tmp allows privilege esc...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
: ---
Assigned To: Red Hat Product Security
impact=moderate,public=20170612,repor...
: Security
Depends On: 1464969
Blocks:
  Show dependency treegraph
 
Reported: 2017-06-26 06:16 EDT by Adam Mariš
Modified: 2017-06-26 06:16 EDT (History)
3 users (show)

See Also:
Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
Environment:
Last Closed:
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


Attachments (Terms of Use)

  None (edit)
Description Adam Mariš 2017-06-26 06:16:08 EDT
Local privileges escalation is possible because of unsafe creation of directories in /tmp as a target for mount without checking a return value indicating if the operation failed or succeeded.

Upstream bug:

https://pagure.io/arm-image-installer/pull-request/10
Comment 1 Adam Mariš 2017-06-26 06:16:10 EDT
Acknowledgments:

Name: Michael Scherer (Red Hat)
Comment 2 Adam Mariš 2017-06-26 06:16:35 EDT
Created fedora-arm-installer tracking bugs for this issue:

Affects: fedora-all [bug 1464969]

Note You need to log in before you can comment on or make changes to this bug.