CVE-2020-15704 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://ubuntu.com/security/notices/USN-4451-1 https://ubuntu.com/security/notices/USN-4451-2

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5