{
  "cveId": "CVE-2018-1312",
  "url": "https://patchblox.com/security/cve/CVE-2018-1312",
  "summary": "CVE-2018-1312 is fixed in 6 products on 1 platform, first by apache2 2.4.29-1ubuntu4.1, released March 25, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "apache2: In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent r...",
  "description": "In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent reply attacks was not correctly generated using a pseudo-random seed. In a cluster of servers using a common Digest authentication configuration, HTTP requests could be replayed across servers by an attacker without detection.",
  "published": "2018-03-25T17:00:00Z",
  "severity": "Low",
  "epss": 0.15785,
  "epssPercentile": 0.96891,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "apache2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.1",
      "fix": "apache2 2.4.29-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-2.4.29-1ubuntu4.1",
      "released": "2018-03-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-bin",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.1",
      "fix": "apache2-bin 2.4.29-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-bin-2.4.29-1ubuntu4.1",
      "released": "2018-03-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-data",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.1",
      "fix": "apache2-data 2.4.29-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-data-2.4.29-1ubuntu4.1",
      "released": "2018-03-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-suexec-custom",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.1",
      "fix": "apache2-suexec-custom 2.4.29-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-suexec-custom-2.4.29-1ubuntu4.1",
      "released": "2018-03-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-suexec-pristine",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.1",
      "fix": "apache2-suexec-pristine 2.4.29-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-suexec-pristine-2.4.29-1ubuntu4.1",
      "released": "2018-03-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "apache2-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.1",
      "fix": "apache2-utils 2.4.29-1ubuntu4.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-utils-2.4.29-1ubuntu4.1",
      "released": "2018-03-25T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}