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ubuntucveUbuntu.comUB:CVE-2020-15704
HistoryAug 04, 2020 - 12:00 a.m.

CVE-2020-15704

2020-08-0400:00:00
ubuntu.com
ubuntu.com
6

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

15.9%

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.

Notes

Author Note
mdeslaur This is ZDI-CAN-11504 Issue is located in a Ubuntu-specific patch
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchppp< 2.4.7-2+2ubuntu1.3UNKNOWN
ubuntu20.04noarchppp< 2.4.7-2+4.1ubuntu5.1UNKNOWN
ubuntu14.04noarchppp< 2.4.5-5.1ubuntu2.3+esm2UNKNOWN
ubuntu16.04noarchppp< 2.4.7-1+2ubuntu1.16.04.3UNKNOWN

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

15.9%