cPanel before 68.0.27 allows attackers to read root's crontab file during a short time interval upon the enabling of backups (SEC-342).
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://documentation.cpanel.net/display/CL/68+Change+Log | release notes vendor advisory |
https://news.cpanel.com/cpanel-tsr-2018-0001-full-disclosure/ | vendor advisory |