| Package | Affected versions | Patched versions |
|---|---|---|
| php | ≥ 7.0.0, < 7.0.29≥ 7.1.0, < 7.1.16≥ 7.2.0, < 7.2.4< 5.6.35 | 7.0.297.1.167.2.45.6.35 |
An issue was discovered in PHP before 5.6.35, 7.0.x before 7.0.29, 7.1.x before 7.1.16, and 7.2.x before 7.2.4. Dumpable FPM child processes allow bypassing opcache access controls because fpm_unix.c makes a PR_SET_DUMPABLE prctl call, allowing one user (in a multiuser environment) to obtain sensitive information from the process memory of a second user's PHP applications by running gcore on the PID of the PHP-FPM worker process.
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