{
  "schema_version": "1.7.0",
  "id": "MGASA-2014-0080",
  "published": "2014-02-17T00:22:31Z",
  "modified": "2014-02-17T00:22:18Z",
  "summary": "Updated denyhosts package fixes security vulnerability",
  "details": "Helmut Grohne discovered that denyhosts, a tool preventing SSH brute-force\nattacks, could be used to perform remote denial of service against the SSH\ndaemon. Incorrectly specified regular expressions used to detect brute\nforce attacks in authentication logs could be exploited by a malicious\nuser to forge crafted login names in order to make denyhosts ban arbitrary\nIP addresses (CVE-2013-6890).\n\nThis update also includes a fix for a regression introduced when fixing\nCVE-2013-6890.\n",
  "upstream": [
    "CVE-2013-6890"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2014-0080.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=12092"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2013/dsa-2826"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-security-announce/2014/msg00018.html"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:3",
        "name": "denyhosts",
        "purl": "pkg:rpm/mageia/denyhosts?arch=source&distro=mageia-3"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6-4.4.mga3"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}