csaf_redhat - rhsa-2018

rhsa-2018_2882

Vulnerability from csaf_redhat

Published

2018-10-08 10:05

Modified

2024-11-15 00:35

Summary

Red Hat Security Advisory: rh-haproxy18-haproxy security 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 Important. 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. Security Fix(es): * haproxy: Out-of-bounds read in HPACK decoder (CVE-2018-14645) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. Red Hat would like to thank Tim Düsterhus and Willy Tarreau for reporting this issue.

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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  "vulnerabilities": [
    {
      "acknowledgments": [
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      "cve": "CVE-2018-14645",
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        "name": "Out-of-bounds Read"
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      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1630048"
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was discovered in the HPACK decoder of haproxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "haproxy: Out-of-bounds read in HPACK decoder",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "HTTP/2 support was added to haproxy in version 1.8, therefore OpenShift Container Platform (OCP) 3.7 and earlier are unaffected by this flaw. OCP 3.11 added a configuration option to ose-haproxy-router that made enabling HTTP/2 support easy, [2]. Prior to that, in versions OCP 3.9 and 3.10, an administrator had to customize the haproxy router configuration to add HTTP/2 support, [3]. OCP 3.9, and 3.10 are rated as moderate because HTTP/2 support was not a standard configuration option, and therefore unlikely to be enabled.\n\nVersions of haproxy included in Red Hat Enterprise Linux 6 and 7, excluding rh-haproxy18-haproxy in Red Hat Software Collections, are unaffected as they package versions of haproxy before 1.7.\n\n[1] http://www.haproxy.org/news.html\n\n[2] https://github.com/openshift/origin/pull/19968\n\n[3] https://docs.openshift.com/container-platform/3.10/install_config/router/customized_haproxy_router.html",
          "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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      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2018-14645"
        },
        {
          "category": "external",
          "summary": "RHBZ#1630048",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1630048"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2018-14645",
          "url": "https://www.cve.org/CVERecord?id=CVE-2018-14645"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-14645",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-14645"
        },
        {
          "category": "external",
          "summary": "https://www.mail-archive.com/haproxy@formilux.org/msg31253.html",
          "url": "https://www.mail-archive.com/haproxy@formilux.org/msg31253.html"
        }
      ],
      "release_date": "2018-09-20T12:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
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          "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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  ]
}

cve-2018-14645

Vulnerability from cvelistv5

Published

2018-09-21 13:00

Modified

2024-08-05 09:38

Severity ?

7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.

References

▼	URL	Tags
	https://usn.ubuntu.com/3780-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2018:2882	vendor-advisory, x_refsource_REDHAT
	https://www.mail-archive.com/haproxy%40formilux.org/msg31253.html	mailing-list, x_refsource_MLIST
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHBA-2019:0028	vendor-advisory, x_refsource_REDHAT

Impacted products

▼	Vendor	Product
	[UNKNOWN]	haproxy

Show details on NVD website

JSON

To clipboard

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              "name": "[haproxy] 20180920 [ANNOUNCE] haproxy-1.8.14 - Security Update",
              "refsource": "MLIST",
              "url": "https://www.mail-archive.com/haproxy@formilux.org/msg31253.html"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645"
            },
            {
              "name": "RHBA-2019:0028",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHBA-2019:0028"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-14645",
    "datePublished": "2018-09-21T13:00:00",
    "dateReserved": "2018-07-27T00:00:00",
    "dateUpdated": "2024-08-05T09:38:12.812Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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