alsa-2021:3816
Vulnerability from osv_almalinux
Published
2021-10-12 15:53
Modified
2022-01-26 07:27
Summary
Important: httpd:2.4 security update
Details

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es):

  • httpd: mod_proxy: SSRF via a crafted request uri-path containing "unix:" (CVE-2021-40438)

  • httpd: mod_session: Heap overflow via a crafted SessionHeader value (CVE-2021-26691)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mod_http2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.15.7-3.module_el8.5.0+2609+b30d9eec"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mod_md"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.0.8-8.module_el8.5.0+2609+b30d9eec"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mod_md"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* httpd: mod_proxy: SSRF via a crafted request uri-path containing \"unix:\" (CVE-2021-40438)\n\n* httpd: mod_session: Heap overflow via a crafted SessionHeader value (CVE-2021-26691)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "ALSA-2021:3816",
  "modified": "2022-01-26T07:27:24Z",
  "published": "2021-10-12T15:53:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2021-3816.html"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-26691"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-40438"
    }
  ],
  "related": [
    "CVE-2021-40438",
    "CVE-2021-26691"
  ],
  "summary": "Important: httpd:2.4 security update"
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.