{ "schema_version": "1.4.0", "id": "GHSA-f4g4-953x-f5pm", "modified": "2022-05-17T04:55:59Z", "published": "2022-05-17T04:55:59Z", "aliases": [ "CVE-2013-6890" ], "details": "denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.", "severity": [], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-6890" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982" }, { "type": "WEB", "url": "http://seclists.org/oss-sec/2013/q4/535" }, { "type": "WEB", "url": "http://secunia.com/advisories/56239" }, { "type": "WEB", "url": "http://www.debian.org/security/2013/dsa-2826" } ], "database_specific": { "cwe_ids": [ "CWE-287" ], "severity": "MODERATE", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2013-12-23T22:55:00Z" } }