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Ubuntu: (Multiple Advisories) (CVE-2020-15704): ppp vulnerability

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Ubuntu: (Multiple Advisories) (CVE-2020-15704): ppp vulnerability

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
08/04/2020
Created
08/07/2020
Added
08/05/2020
Modified
03/22/2023

Description

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.

Solution(s)

  • ubuntu-upgrade-ppp

References

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