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CVE-2020-15704

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CVE-2020-15704

Published: Aug 31, 2020

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

5.5

MEDIUM

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.

VendorProductVersions

Canonical

ppp

affected
2.4.5 - < 2.4.5-5ubuntu1.4
affected
2.4.7 - < 2.4.7-1+2ubuntu1.16.04.3

Weaknesses (CWE)

CWE-200

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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

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