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.
References
Link | Resource |
---|---|
http://www.openwall.com/lists/oss-security/2019/07/04/1 | Mailing List Third Party Advisory |
https://bugzilla.suse.com/show_bug.cgi?id=1130388 | Issue Tracking Third Party Advisory |
https://github.com/linuxdeepin/deepin-clone/commit/e079f3e2712b4f8c28e3e63e71ba1a1f90fce1ab | Patch Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCHGRJV5CWTMYEE5B5C2FNMCFVP45S7H/ |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2019-07-04T11:32:50
Updated: 2019-07-28T02:06:05
Reserved: 2019-07-04T00:00:00
Link: CVE-2019-13226
JSON object: View
NVD Information
Status : Modified
Published: 2019-07-04T12:15:10.330
Modified: 2023-11-07T03:03:48.260
Link: CVE-2019-13226
JSON object: View
Redhat Information
No data.