CVE-2020-7760

Public Exploit
Regular Expression Denial of Service (ReDoS)

Description

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|/*.*?*/)*

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory debian.org
Affected: n/a codemirror
Affected: n/a org.apache.marmotta.webjars:codemirror
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-CODEMIRROR-1016937 third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1024445 third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCOMPONENTS-1024446 third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1024447 third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCODEMIRROR-1024448 third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1024449 third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGAPACHEMARMOTTAWEBJARS-1024450 third party advisory exploit
https://github.com/codemirror/CodeMirror/commit/55d0333907117c9231ffdf555ae8824705993bbb third party advisory patch
https://www.debian.org/security/2020/dsa-4789 third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuApr2021.html third party advisory patch
https://www.oracle.com//security-alerts/cpujul2021.html third party advisory patch
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-7760?
CVE-2020-7760 has been scored as a medium severity vulnerability.
How to fix CVE-2020-7760?
To fix CVE-2020-7760, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-7760 being actively exploited in the wild?
It is possible that CVE-2020-7760 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7760?
CVE-2020-7760 affects n/a codemirror, n/a org.apache.marmotta.webjars:codemirror.
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