Writable Seccomp Filters in Firejail: Bypassing Intended Restrictions

CVE-2019-12589 · MEDIUM Severity

AV:L/AC:L/AU:N/C:P/I:P/A:P

In Firejail before 0.9.60, seccomp filters are writable inside the jail, leading to a lack of intended seccomp restrictions for a process that is joined to the jail after a filter has been modified by an attacker.

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