Bug 1730306 (CVE-2019-13227) - CVE-2019-13227 deepin-clone: log file at the fixed path created as root leads to a symlink attack
Summary: CVE-2019-13227 deepin-clone: log file at the fixed path created as root leads...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2019-13227
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: 1730307
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-07-16 12:22 UTC by Marian Rehak
Modified: 2019-09-29 15:16 UTC (History)
3 users (show)

Fixed In Version:
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Environment:
Last Closed: 2019-07-16 14:40:48 UTC


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Description Marian Rehak 2019-07-16 12:22:59 UTC
In GUI mode, deepin-clone before 1.1.3 creates a log file at the fixed path /tmp/.deepin-clone.log as root, and follows symlinks there. An unprivileged user can prepare a symlink attack there to create or overwrite files in arbitrary file system locations. The content is not attacker controlled.

External Reference:

https://bugzilla.suse.com/show_bug.cgi?id=1130388

Comment 1 Marian Rehak 2019-07-16 12:23:13 UTC
Created deepin-clone tracking bugs for this issue:

Affects: fedora-30 [bug 1730307]

Comment 2 Product Security DevOps Team 2019-07-16 14:40:48 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


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