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CVE-2020-15704

nvd nist
Published: Sep 1, 2020Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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.

Affected (5)

Products: Canonical: Ppp
1 product
Ppp
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Before 2.4.7-1\+ubuntu1.16.04.3
Running on/withPlatform Versions
Canonical
Ubuntu Linux
Version 16.04
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Before 2.4.7-2\+2ubuntu1.3
Running on/withPlatform Versions
Canonical
Ubuntu Linux
Version 18.04
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Before 2.4.7-2\+4.1ubuntu5.1
Running on/withPlatform Versions
Canonical
Ubuntu Linux
Version 20.04
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Before 2.4.5-5ubuntu1.4
Running on/withPlatform Versions
Canonical
Ubuntu Linux
Version 12.04
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Before 2.4.5-5.1ubuntu2.3\+esm2
Running on/withPlatform Versions
Canonical
Ubuntu Linux
Version 14.04

References (4)

Source: security@ubuntu.com
Vendor Advisory
Source: security@ubuntu.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.