rhsa-2011_1369
Vulnerability from csaf_redhat
Published
2011-10-13 19:33
Modified
2024-11-22 04:38
Summary
Red Hat Security Advisory: httpd security update

Notes

Topic
Updated httpd packages that fix one security issue are now available for Red Hat Application Stack v2. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Details
The Apache HTTP Server is a popular web server. A flaw was found in the way the Apache HTTP Server handled Range HTTP headers. A remote attacker could use this flaw to cause httpd to use an excessive amount of memory and CPU time via HTTP requests with a specially-crafted Range header. (CVE-2011-3192) All httpd users should upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the updated packages, the httpd daemon must be restarted for the update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

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  "vulnerabilities": [
    {
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      "discovery_date": "2011-08-20T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "732928"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August 2011, a different vulnerability than CVE-2007-0086.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "httpd: multiple ranges DoS",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Before updated packages are deployed, users can deploy configuration changes to mitigate this flaw:\nhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3192#c18",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2011-3192"
        },
        {
          "category": "external",
          "summary": "RHBZ#732928",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=732928"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2011-3192",
          "url": "https://www.cve.org/CVERecord?id=CVE-2011-3192"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-3192",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-3192"
        }
      ],
      "release_date": "2011-08-20T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2011-10-13T19:33:00+00:00",
          "details": "Before applying this update, make sure all previously-released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/kb/docs/DOC-11259",
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        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
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          "details": "Important"
        }
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      "title": "httpd: multiple ranges DoS"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.