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githubGitHub Advisory DatabaseGHSA-P497-37FC-XVVC
HistoryMay 13, 2022 - 1:12 a.m.

Moodle allows attackers to cause a denial of service

2022-05-1301:12:43
GitHub Advisory Database
github.com
5
moodle
denial of service
filter.php

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

AI Score

6.2

Confidence

High

EPSS

0.003

Percentile

68.7%

filter/mediaplugin/filter.php in Moodle through 2.5.9, 2.6.x before 2.6.7, 2.7.x before 2.7.4, and 2.8.x before 2.8.2 allows remote authenticated users to cause a denial of service (CPU consumption or partial outage) via a crafted string that is matched against an improper regular expression.

Affected configurations

Vulners
Node
moodlemoodleRange2.8.02.8.2
OR
moodlemoodleRange2.7.02.7.4
OR
moodlemoodleRange<2.6.7
VendorProductVersionCPE
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

AI Score

6.2

Confidence

High

EPSS

0.003

Percentile

68.7%