selinux_edit_copy_tfiles in sudoedit in Sudo before 1.9.5 allows a local unprivileged user to gain file ownership and escalate privileges by replacing a temporary file with a symlink to an arbitrary file target. This affects SELinux RBAC support in permissive mode. Machines without SELinux are not vulnerable.
References
Link | Resource |
---|---|
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23240 | Exploit Issue Tracking Patch Third Party Advisory |
https://www.sudo.ws/stable.html#1.9.5 | Release Notes Vendor Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/ | Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/ | Third Party Advisory |
https://security.gentoo.org/glsa/202101-33 | Third Party Advisory |
https://security.netapp.com/advisory/ntap-20210129-0010/ | Third Party Advisory |
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E | Mailing List Third Party Advisory |
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E | Mailing List Third Party Advisory |
Configurations
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Configuration 2 (hide)
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Information
Published : 2021-01-12 01:15
Updated : 2021-09-13 12:48
NVD link : CVE-2021-23240
Mitre link : CVE-2021-23240
JSON object : View
CWE
CWE-59
Improper Link Resolution Before File Access ('Link Following')
Products Affected
fedoraproject
- fedora
netapp
- hci_management_node
- solidfire
sudo_project
- sudo