ppp: The modprobe child process in the ./debian/patches/load_ppp_generic_if_needed patch file incorrectly handled module l...
CVE-2020-15704 is fixed in ppp on 1 platform, first by ppp 2.4.7-2+2ubuntu1.3, released August 4, 2020. It is not reported as exploited. Patch Radar priority: Routine.
The modprobe child process in the ./debian/patches/load_ppp_generic_if_needed patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu1.4, 2.4.5-5.1ubuntu2.3+esm2, 2.4.7-1+2ubuntu1.16.04.3, 2.4.7-2+2ubuntu1.3, 2.4.7-2+4.1ubuntu5.1, 2.4.7-2+4.1ubuntu6. Was ZDI-CAN-11504.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ppp · Ubuntu 18.04.6 LTS (bionic) | 2.4.7-2+2ubuntu1.3 | ppp 2.4.7-2+2ubuntu1.3 | Aug 4, 2020 |
| ppp · Ubuntu 20.04 LTS (focal) | 2.4.7-2+4.1ubuntu5.1 | ppp 2.4.7-2+4.1ubuntu5.1 | Aug 4, 2020 |
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