CVE-2019-13226

High

Description

deepin-clone before 1.1.3 uses a predictable path /tmp/.deepin-clone/mount/<block-dev-basename> in the Helper::temporaryMountDevice() function to temporarily mount a file system as root. An unprivileged user can prepare a symlink at this location to have the file system mounted in an arbitrary location. By winning a race condition, the attacker can also enter the mount point, thereby preventing a subsequent unmount of the file system.

SeverityHigh

CVSS7.0

Exploit probability—

Product

Deepin-clone

PublishedJul 4, 2019

First seenJul 4, 2019

How to fix

Update

deepin deepin-clone1.1.3 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCHGRJV5CWTMYEE5B5C2FNMCFVP45S7H/

Affected products

Product	Affected versions	Fixed in
deepin deepin-clone	v < 1.1.3	1.1.3
fedoraproject fedora	30	—

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