CVE-2020-7760 (GCVE-0-2020-7760)

Vulnerability from cvelistv5 – Published: 2020-10-30 11:10 – Updated: 2024-09-17 01:06
VLAI
Title
Regular Expression Denial of Service (ReDoS)
Summary
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|/*.*?*/)*
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CWE
  • Regular Expression Denial of Service (ReDoS)
Assigner
References
Impacted products
Vendor Product Version
n/a codemirror Affected: unspecified , < 5.58.2 (custom)
n/a org.apache.marmotta.webjars:codemirror Affected: unspecified , < 5.58.2 (custom)
Date Public
2020-10-30 00:00
Credits
Yeting Li
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "report@snyk.io",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-400\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-7760\",\"sourceIdentifier\":\"report@snyk.io\",\"published\":\"2020-10-30T11:15:12.633\",\"lastModified\":\"2024-11-21T05:37:45.027\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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. 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T15:46:18+00:00",
      "cve": "CVE-2020-7760",
      "id": "CVE-2020-7760",
      "initial_release_date": "2020-10-09T00:00:00+00:00",
      "product_status:known_affected": "2",
      "product_status:known_not_affected": "4",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "codemirror: ReDoS in tokenBase function in javascript.js",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-7760.json",
      "version": "3"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.