Description
deepin-clone before 1.1.3 uses a fixed path /tmp/repo.iso in the BootDoctor::fix() function to download an ISO file, 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. By winning a race condition to replace the /tmp/repo.iso symlink by an attacker controlled ISO file, further privilege escalation may be possible.
Metrics
CVSS 3.0 4.7/10
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.openwall.com/lists/oss-security/2019/07/04/1Mailing List, Third Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1130388Issue Tracking, Third Party Advisory
- https://github.com/linuxdeepin/deepin-clone/commit/e079f3e2712b4f8c28e3e63e71ba1a1f90fce1abPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCHGRJV5CWTMYEE5B5C2FNMCFVP45S7H/
- http://www.openwall.com/lists/oss-security/2019/07/04/1Mailing List, Third Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1130388Issue Tracking, Third Party Advisory
- https://github.com/linuxdeepin/deepin-clone/commit/e079f3e2712b4f8c28e3e63e71ba1a1f90fce1abPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCHGRJV5CWTMYEE5B5C2FNMCFVP45S7H/
Timeline
- Published
- Jul 4, 2019
- Last modified
- Jun 17, 2026
- NVD status
- Modified