RHSA-2020:4756

Vulnerability from csaf_opensuse - Published: 2020-11-03 00:00 - Updated: 2026-09-20 11:12
Summary
security update for varnish
Severity
Moderate
Notes
Title of the patch: security update for varnish
Description of the patch: This security update provides a functional equivalent of RHSA-2020:4756. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2020:4756.
Patchnames: RHSA-2020:4756
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 8:varnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:varnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:varnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:varnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6 —
Vendor Fix
Threats
Impact important
Affected products
Recommended 4 products, the same list as for CVE-2019-15892
Threats
Impact important
Affected products
Recommended 4 products, the same list as for CVE-2019-15892
Threats
Impact important

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  "vulnerabilities": [
    {
      "cve": "CVE-2019-15892",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-15892"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Varnish Cache before 6.0.4 LTS, and 6.1.x and 6.2.x before 6.2.1. An HTTP/1 parsing failure allows a remote attacker to trigger an assert by sending crafted HTTP/1 requests. The assert will cause an automatic restart with a clean cache, which makes it a Denial of Service attack.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Liberty Linux 8:varnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
          "SUSE Liberty Linux 8:varnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6"
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          "summary": "CVE-2019-15892",
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        {
          "category": "external",
          "summary": "SUSE Bug 1149382 for CVE-2019-15892",
          "url": "https://bugzilla.suse.com/1149382"
        }
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      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 8:varnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
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            "SUSE Liberty Linux 8:varnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
            "SUSE Liberty Linux 8:varnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Liberty Linux 8:varnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
            "SUSE Liberty Linux 8:varnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
            "SUSE Liberty Linux 8:varnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
            "SUSE Liberty Linux 8:varnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-11-03T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2019-15892"
    },
    {
      "cve": "CVE-2019-20637",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-20637"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not clear a pointer between the handling of one client request and the next request within the same connection. This sometimes causes information to be disclosed from the connection workspace, such as data structures associated with previous requests within this connection or VCL-related temporary headers.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "summary": "CVE-2019-20637",
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          "category": "external",
          "summary": "SUSE Bug 1169040 for CVE-2019-20637",
          "url": "https://bugzilla.suse.com/1169040"
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          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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    },
    {
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2020-11653"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "summary": "CVE-2020-11653",
          "url": "https://www.suse.com/security/cve/CVE-2020-11653"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1169039 for CVE-2020-11653",
          "url": "https://bugzilla.suse.com/1169039"
        }
      ],
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        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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            "SUSE Liberty Linux 8:varnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
            "SUSE Liberty Linux 8:varnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6"
          ]
        }
      ],
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        {
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "SUSE Liberty Linux 8:varnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
            "SUSE Liberty Linux 8:varnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6",
            "SUSE Liberty Linux 8:varnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64::varnish:6"
          ]
        }
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      "threats": [
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          "category": "impact",
          "date": "2020-11-03T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-11653"
    }
  ]
}



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Sightings

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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