Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTlmaHctcjQycC01Yzdy

Regular expression Denial of Service in @progfay/scrapbox-parser

Impact

A Regular expression Denial of Service flaw was found in the @progfay/scrapbox-parser package before 6.0.3, 7.0.2 for Node.js. The attacker that is able to be parsed a specially crafted text may cause the application to consume an excessive amount of CPU.

Patches

Upgrade to version 6.0.3, 7.0.2 or later.

Workarounds

Avoid to parse text with a lot of [ chars.

References

• https://github.com/progfay/scrapbox-parser/pull/519
• https://github.com/progfay/scrapbox-parser/pull/539
• https://github.com/progfay/scrapbox-parser/pull/540
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-27405
• https://snyk.io/vuln/SNYK-JS-PROGFAYSCRAPBOXPARSER-1076803

For more information

If you have any questions or comments about this advisory:

• Open an issue in github.com/progfay/scrapbox-parser

Permalink: https://github.com/advisories/GHSA-9fhw-r42p-5c7r
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTlmaHctcjQycC01Yzdy
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 2 years ago
Updated: 8 months ago

CVSS Score: 4.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Identifiers: GHSA-9fhw-r42p-5c7r, CVE-2021-27405
References:

• https://github.com/progfay/scrapbox-parser/security/advisories/GHSA-9fhw-r42p-5c7r
• https://nvd.nist.gov/vuln/detail/CVE-2021-27405
• https://github.com/progfay/scrapbox-parser/pull/519
• https://github.com/progfay/scrapbox-parser/pull/539
• https://github.com/progfay/scrapbox-parser/pull/540
• https://security.netapp.com/advisory/ntap-20210326-0002/
• https://github.com/advisories/GHSA-9fhw-r42p-5c7r

Affected Packages