GHSA-486f-hjj9-9vhh
Vulnerability from github
Published
2022-12-13 17:36
Modified
2022-12-13 17:36
Severity ?
Summary
Inefficient Regular Expression Complexity in Loofah
Details
Summary
Loofah < 2.19.1
contains 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 Loofah >= 2.19.1
.
Severity
The Loofah 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).
{ "affected": [ { "package": { "ecosystem": "RubyGems", "name": "loofah" }, "ranges": [ { "events": [ { "introduced": "0" }, { "fixed": "2.19.1" } ], "type": "ECOSYSTEM" } ] } ], "aliases": [ "CVE-2022-23514" ], "database_specific": { "cwe_ids": [ "CWE-1333" ], "github_reviewed": true, "github_reviewed_at": "2022-12-13T17:36:28Z", "nvd_published_at": "2022-12-14T14:15:00Z", "severity": "HIGH" }, "details": "## Summary\n\nLoofah `\u003c 2.19.1` contains 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.\n\n\n## Mitigation\n\nUpgrade to Loofah `\u003e= 2.19.1`.\n\n\n## Severity\n\nThe Loofah maintainers have evaluated this as [High Severity 7.5 (CVSS3.1)](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).\n\n\n## References\n\n- [CWE - CWE-1333: Inefficient Regular Expression Complexity (4.9)](https://cwe.mitre.org/data/definitions/1333.html)\n- https://hackerone.com/reports/1684163\n\n\n## Credit\n\nThis vulnerability was responsibly reported by @ooooooo-q (https://github.com/ooooooo-q).\n", "id": "GHSA-486f-hjj9-9vhh", "modified": "2022-12-13T17:36:28Z", "published": "2022-12-13T17:36:28Z", "references": [ { "type": "WEB", "url": "https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh" }, { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-23514" }, { "type": "WEB", "url": "https://github.com/flavorjones/loofah/commit/a6e0a1ab90675a17b1b2be189129d94139e4b143" }, { "type": "WEB", "url": "https://hackerone.com/reports/1684163" }, { "type": "PACKAGE", "url": "https://github.com/flavorjones/loofah" }, { "type": "WEB", "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23514.yml" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ], "summary": "Inefficient Regular Expression Complexity in Loofah" }
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