Bug 1704770 (CVE-2019-11502) - CVE-2019-11502 snapd: incorrect setting of ownership leads to access private /tmp directory
Summary: CVE-2019-11502 snapd: incorrect setting of ownership leads to access private ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-11502
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-04-30 13:15 UTC by Dhananjay Arunesh
Modified: 2021-10-27 03:28 UTC (History)
3 users (show)

Fixed In Version: snapd 2.38
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Clone Of:
Environment:
Last Closed: 2021-10-27 03:28:17 UTC


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Description Dhananjay Arunesh 2019-04-30 13:15:39 UTC
snap-confine in snapd before 2.38 incorrectly set the ownership of a snap application to the uid and gid of the first calling user. Consequently, that user had unintended access to a private /tmp directory. 

Reference:
https://www.openwall.com/lists/oss-security/2019/04/18/4

Upstream commit:
https://github.com/snapcore/snapd/commit/bdbfeebef03245176ae0dc323392bb0522a339b1


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