The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Link | Tags |
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https://www.sudo.ws/repos/sudo/rev/397722cdd7ec | issue tracking third party advisory patch |
https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195 | issue tracking third party advisory patch |
https://bugzilla.redhat.com/show_bug.cgi?id=1283635 | issue tracking third party advisory patch |
http://www.openwall.com/lists/oss-security/2015/11/18/22 | third party advisory mailing list |
https://www.sudo.ws/repos/sudo/rev/24a3d9215c64 | issue tracking third party advisory patch |