rhsa-2019_1436
Vulnerability from csaf_redhat
Published
2019-06-11 12:02
Modified
2024-11-05 21:09
Summary
Red Hat Security Advisory: rh-haproxy18-haproxy security, bug fix, and enhancement update

Notes

Topic
An update for rh-haproxy18-haproxy is now available for Red Hat Software Collections. 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
HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments. The following packages have been upgraded to a later upstream version: rh-haproxy18-haproxy (1.8.17). (BZ#1660514) Security Fix(es): * haproxy: Infinite recursion via crafted packet allows stack exhaustion and denial of service (CVE-2018-20103) * haproxy: Information disclosure in check_request_for_cacheability function in proto_http.c (CVE-2018-11469) * haproxy: Out-of-bounds read in dns.c:dns_validate_dns_response() allows for memory disclosure (CVE-2018-20102) 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. Bug Fix(es): * ALPN is not enabled due to old OpenSSL dependancy (BZ#1595865) * HAProxy 1.8: Seamless reload does not work with send-/accept-proxy (BZ#1649041) Enhancement(s): * RFE : Haproxy does not resolve ipv6 resolvable hostnames in the backend section. (BZ#1575585) Additional Changes: For detailed information on changes in this release, see the Red Hat Software Collections 3.3 Release Notes linked from 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.


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          "details": "Moderate"
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      "title": "haproxy: Out-of-bounds read in dns.c:dns_validate_dns_response() allows for memory disclosure"
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    {
      "cve": "CVE-2018-20103",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
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          "text": "1658876"
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          "category": "description",
          "text": "An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "haproxy: Infinite recursion via crafted packet allows stack exhaustion and denial of service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue did not affect the versions of haproxy as shipped with Red Hat Enterprise Linux 6 and 7.",
          "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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          "summary": "https://www.cve.org/CVERecord?id=CVE-2018-20103",
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-20103",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20103"
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          "category": "external",
          "summary": "https://www.mail-archive.com/haproxy@formilux.org/msg32055.html",
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          "date": "2019-06-11T12:02:51+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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      "title": "haproxy: Infinite recursion via crafted packet allows stack exhaustion and denial of service"
    }
  ]
}


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  • 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.
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  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
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