GHSA-5x79-w82f-gw8w

Source

https://github.com/advisories/GHSA-5x79-w82f-gw8w

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/12/GHSA-5x79-w82f-gw8w/GHSA-5x79-w82f-gw8w.json

Aliases

• CVE-2022-23517

Published

2022-12-13T17:43:02Z

Modified

2024-02-16T08:20:35.513335Z

Summary

Inefficient Regular Expression Complexity in rails-html-sanitizer

Details

Summary

Certain configurations of rails-html-sanitizer < 1.4.4 use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption.

Mitigation

Upgrade to rails-html-sanitizer >= 1.4.4.

Severity

The maintainers have evaluated this as High Severity 7.5 (CVSS3.1).

References

• CWE - CWE-1333: Inefficient Regular Expression Complexity (4.9)
• https://hackerone.com/reports/1684163

Credit

This vulnerability was responsibly reported by @ooooooo-q (https://github.com/ooooooo-q).

References

• https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w
• https://nvd.nist.gov/vuln/detail/CVE-2022-23517
• https://github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979
• https://hackerone.com/reports/1684163
• https://github.com/rails/rails-html-sanitizer
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23517.yml
• https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html