Date: 7 months ago   Category: Hi-Tech

out-of-tree 0.2, tools is available to assembly of modules with different kernels of Linux


The release of the out-of-tree 0.2 tools allowing to automate assembly and testing of modules of a kernel or check of operability of exploits with various versions of a kernel of Linux is prepared. Out-of-tree forms a virtual environment (QEMU and Docker is used) with any version of a kernel and performs the specified operations on assembly, testing and start of modules or exploits. The code of the project is written in the Go language and is distributed under license AGPLv3.

the Scenario of check is set in the file.out-of-tree.toml and can cover several releases of a kernel at once (for example, it is possible to test work of an exploit or the developed module with different versions of a kernel).

the Example of the scenario of ".out-of-tree.toml" for detection of versions of a kernel 4.4.x and 4.8.x in which a certain exploit is efficient:

of name = "CVE-XXXX-YYYYY exploit" type = "exploit" or "module" for LKM [[supported_kernels]] distro_type = "Ubuntu" distro_release = "16.04" release_mask = "4.4.0-(1 |2| 3 | 4)-.*" [[supported_kernels]] of distro_type = "Ubuntu" distro_release = "16.04" release_mask = "4.8.0-(1 |2| 3 |4| 5 |6| 7 |8| 9 | 10)-.*"

For assembly of kernels for testing in the catalog with the file.out-of-tree.toml should be executed:

of out-of-tree kernel autogen

Assembly and start of the tested exploit or the module of a kernel:

of out-of-tree pew

Check of already collected exploit:

of out-of-tree pew - binary some_exploit - test some_exploit_test

of Detection of the versions of a kernel subject to vulnerability:

of out-of-tree pew - guess. On materials: www.opennet.ru

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