rhsa-2020_5583
Vulnerability from csaf_redhat
Published
2020-12-16 13:57
Modified
2024-11-15 03:25
Summary
Red Hat Security Advisory: memcached security update

Notes

Topic
An update for memcached is now available for Red Hat OpenStack Platform 13 (Queens). Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Security Fix(es): * null-pointer dereference in "lru mode" and "lru temp_ttl" causing denial of service (CVE-2019-11596) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.
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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        "name": "NULL Pointer Dereference"
      },
      "discovery_date": "2019-04-30T00:00:00+00:00",
      "ids": [
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          "text": "1706001"
        }
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          "text": "In memcached before 1.5.14, a NULL pointer dereference was found in the \"lru mode\" and \"lru temp_ttl\" commands. This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "memcached: null-pointer dereference in \"lru mode\" and \"lru temp_ttl\" causing denial of service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The vulnerable code is not present in the versions of memcached as shipped in Red Hat Enterprise Linux 6 and 7, so they are not affected by this flaw.",
          "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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          "7Server-RH7-RHOS-13.0:memcached-debuginfo-0:1.4.39-3.el7ost.ppc64le",
          "7Server-RH7-RHOS-13.0:memcached-debuginfo-0:1.4.39-3.el7ost.x86_64"
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        {
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-11596"
        },
        {
          "category": "external",
          "summary": "RHBZ#1706001",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1706001"
        },
        {
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-11596",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-11596"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-11596",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11596"
        }
      ],
      "release_date": "2019-04-10T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-12-16T13:57:34+00:00",
          "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          ],
          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:5583"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
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            "7Server-7.6.EUS-RH7-RHOS-13.0:memcached-0:1.4.39-3.el7ost.x86_64",
            "7Server-7.6.EUS-RH7-RHOS-13.0:memcached-debuginfo-0:1.4.39-3.el7ost.x86_64",
            "7Server-RH7-RHOS-13.0:memcached-0:1.4.39-3.el7ost.ppc64le",
            "7Server-RH7-RHOS-13.0:memcached-0:1.4.39-3.el7ost.src",
            "7Server-RH7-RHOS-13.0:memcached-0:1.4.39-3.el7ost.x86_64",
            "7Server-RH7-RHOS-13.0:memcached-debuginfo-0:1.4.39-3.el7ost.ppc64le",
            "7Server-RH7-RHOS-13.0:memcached-debuginfo-0:1.4.39-3.el7ost.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "memcached: null-pointer dereference in \"lru mode\" and \"lru temp_ttl\" causing denial of service"
    }
  ]
}


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