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RedhatCVE-2018-1137

HistoryMay 25, 2018 - 12:29 p.m.

CVE-2018-1137

2018-05-2512:29:00

CWE-20

redhat

web.nvd.nist.gov

moodle

3.x

url substitution

class instantiation

ddos attack

cve-2018-1137

nvd

CVSS2

5.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

35.6%

JSON

An issue was discovered in Moodle 3.x. By substituting URLs in portfolios, users can instantiate any class. This can also be exploited by users who are logged in as guests to create a DDoS attack.

Affected configurations

Nvd

Vulners

Node

moodlemoodleRange3.1.0–3.1.11

moodlemoodleRange3.2.0–3.2.8

moodlemoodleRange3.3.0–3.3.5

moodlemoodleRange3.4.0–3.4.2

VendorProductVersionCPE
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
moodle	moodle	*	cpe:2.3:a:moodle:moodle::::::::

CNA Affected

[
  {
    "product": "Moodle 3.x unknown",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Moodle 3.x unknown"
      }
    ]
  }
]

References

www.securityfocus.com/bid/104307

moodle.org/mod/forum/discuss.php?d=371204

CVSS2

5.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

35.6%

JSON

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