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joomlaOpen Source Matters, Inc.JOOMLA-842
HistoryJan 13, 2021 - 12:00 a.m.

[20210302] - Core - Potential Insecure FOFEncryptRandval

2021-01-1300:00:00
Open Source Matters, Inc.
developer.joomla.org
15
core
fof
encryptrandval
random_bytes
random_compat
software

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.002

Percentile

60.4%

The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to “random_bytes()” and its backport that is shipped within random_compat.

Affected configurations

Vulners
Node
joomlajoomla\!Range<3.9.25
VendorProductVersionCPE
joomlajoomla\!*cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.002

Percentile

60.4%