CVE-2020-7760

Regular Expression Denial of Service (ReDoS)

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This affects the package codemirror before 5.58.2; the package org.apache.marmotta.webjars:codemirror before 5.58.2. The vulnerable regular expression is located in https://github.com/codemirror/CodeMirror/blob/cdb228ac736369c685865b122b736cd0d397836c/mode/javascript/javascript.jsL129. The ReDOS vulnerability of the regex is mainly due to the sub-pattern (s|/*.*?*/)*

Esto afecta al paquete codemirror versiones anteriores a 5.58.2; el paquete org.apache.marmotta.webjars:codemirror anterior a 5.58.2. La expresión regular vulnerable se encuentra en https://github.com/codemirror/CodeMirror/blob/cdb228ac736369c685865b122b736cd0d397836c/mode/javascript/javascript.jsL129. La vulnerabilidad de tipo ReDOS de la expresión regular se debe principalmente al subpatrón (s|/*.*?*/)*

*Credits: Yeting Li

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-21 CVE Reserved
2020-10-30 CVE Published
2024-09-17 CVE Updated
2024-09-17 First Exploit
2024-10-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (12)

URL	Tag	Source

URL	Date	SRC
https://snyk.io/vuln/SNYK-JAVA-ORGAPACHEMARMOTTAWEBJARS-1024450	2024-09-17
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1024449	2024-09-17
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1024445	2024-09-17
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCODEMIRROR-1024448	2024-09-17
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCOMPONENTS-1024446	2024-09-17
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1024447	2024-09-17
https://snyk.io/vuln/SNYK-JS-CODEMIRROR-1016937	2024-09-17

URL	Date	SRC
https://github.com/codemirror/CodeMirror/commit/55d0333907117c9231ffdf555ae8824705993bbb	2022-05-12
https://www.oracle.com//security-alerts/cpujul2021.html	2022-05-12
https://www.oracle.com/security-alerts/cpuApr2021.html	2022-05-12
https://www.oracle.com/security-alerts/cpuapr2022.html	2022-05-12

URL	Date	SRC
https://www.debian.org/security/2020/dsa-4789	2022-05-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Codemirror Search vendor "Codemirror"		Codemirror Search vendor "Codemirror" for product "Codemirror"				< 5.58.2 Search vendor "Codemirror" for product "Codemirror" and version " < 5.58.2"		-		Affected
Oracle Search vendor "Oracle"		Application Express Search vendor "Oracle" for product "Application Express"				< 20.2 Search vendor "Oracle" for product "Application Express" and version " < 20.2"		-		Affected
Oracle Search vendor "Oracle"		Enterprise Manager Express User Interface Search vendor "Oracle" for product "Enterprise Manager Express User Interface"				19c Search vendor "Oracle" for product "Enterprise Manager Express User Interface" and version "19c"		-		Affected
Oracle Search vendor "Oracle"		Essbase Search vendor "Oracle" for product "Essbase"				21.2 Search vendor "Oracle" for product "Essbase" and version "21.2"		-		Affected
Oracle Search vendor "Oracle"		Hyperion Data Relationship Management Search vendor "Oracle" for product "Hyperion Data Relationship Management"				< 11.2.9.0 Search vendor "Oracle" for product "Hyperion Data Relationship Management" and version " < 11.2.9.0"		-		Affected
Oracle Search vendor "Oracle"		Spatial Studio Search vendor "Oracle" for product "Spatial Studio"				< 19.1.0 Search vendor "Oracle" for product "Spatial Studio" and version " < 19.1.0"		-		Affected