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GitHub Advisory DatabaseGHSA-X38Q-XG2H-RXGX

HistorySep 23, 2021 - 11:14 p.m.

Regular Expression Denial of Service in Leo Editor

2021-09-2323:14:28

CWE-697

CWE-1333

GitHub Advisory Database

github.com

leo editor

v6.2.1

redos

vulnerability

dart.py

software

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

45.7%

JSON

Leo Editor v6.2.1 was discovered to contain a regular expression denial of service (ReDoS) vulnerability in the component plugins/importers/dart.py.

Affected configurations

Vulners

Node

leoeditorleoRange≤6.2.1

VendorProductVersionCPE
leoeditorleo*cpe:2.3:a:leoeditor:leo:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
leoeditor	leo	*	cpe:2.3:a:leoeditor:leo::::::::

References

github.com/advisories/GHSA-x38q-xg2h-rxgx

github.com/leo-editor/leo-editor/issues/1597

nvd.nist.gov/vuln/detail/CVE-2020-23478

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

45.7%

JSON

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