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SUSE-SU-2019:2559-1

Vulnerability from csaf_suse - Published: 2019-10-04 11:53 - Updated: 2019-10-04 11:53
Summary
Security update for nginx
Severity
Moderate
Notes
Title of the patch: Security update for nginx
Description of the patch: This update for nginx fixes the following issues: Security issues fixed: - CVE-2019-9511: Fixed a denial of service by manipulating the window size and stream prioritization (bsc#1145579). - CVE-2019-9513: Fixed a denial of service caused by resource loops (bsc#1145580). - CVE-2019-9516: Fixed a denial of service caused by header leaks (bsc#1145582).
Patchnames: SUSE-2019-2559,SUSE-SLE-Module-Development-Tools-OBS-15-2019-2559,SUSE-SLE-Module-Server-Applications-15-2019-2559
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2019-9511
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64 —
Vendor Fix
Threats
Impact low
CVE-2019-9513
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2019-9511
Threats
Impact low
CVE-2019-9516
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2019-9511
Threats
Impact low
References
To clipboard 

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        "category": "vendor",
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  "vulnerabilities": [
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2019-9511"
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          "category": "general",
          "text": "Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.",
          "title": "CVE description"
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          "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
          "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64"
        ]
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        {
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          "summary": "SUSE Bug 1145579 for CVE-2019-9511",
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        {
          "category": "external",
          "summary": "SUSE Bug 1146091 for CVE-2019-9511",
          "url": "https://bugzilla.suse.com/1146091"
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        {
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          "summary": "SUSE Bug 1146182 for CVE-2019-9511",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1193427 for CVE-2019-9511",
          "url": "https://bugzilla.suse.com/1193427"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1202787 for CVE-2019-9511",
          "url": "https://bugzilla.suse.com/1202787"
        }
      ],
      "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 Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.aarch64",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.ppc64le",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64"
          ]
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      ],
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            "baseSeverity": "HIGH",
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            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.ppc64le",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64"
          ]
        }
      ],
      "threats": [
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          "category": "impact",
          "date": "2019-10-04T11:53:35Z",
          "details": "low"
        }
      ],
      "title": "CVE-2019-9511"
    },
    {
      "cve": "CVE-2019-9513",
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          "text": "https://www.suse.com/security/cve/CVE-2019-9513"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
          "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64"
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          "summary": "SUSE Bug 1146094 for CVE-2019-9513",
          "url": "https://bugzilla.suse.com/1146094"
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          "summary": "SUSE Bug 1146184 for CVE-2019-9513",
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        },
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          "url": "https://bugzilla.suse.com/1193427"
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        }
      ],
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          "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 Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64"
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      ],
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            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
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          "text": "https://www.suse.com/security/cve/CVE-2019-9516"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory for these headers and keep the allocation alive until the session dies. This can consume excess memory.",
          "title": "CVE description"
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          "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
          "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64"
        ]
      },
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        {
          "category": "external",
          "summary": "CVE-2019-9516",
          "url": "https://www.suse.com/security/cve/CVE-2019-9516"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1145582 for CVE-2019-9516",
          "url": "https://bugzilla.suse.com/1145582"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1146090 for CVE-2019-9516",
          "url": "https://bugzilla.suse.com/1146090"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1193427 for CVE-2019-9516",
          "url": "https://bugzilla.suse.com/1193427"
        }
      ],
      "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 Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.aarch64",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.ppc64le",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
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            "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"
          },
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            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.ppc64le",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.s390x",
            "SUSE Linux Enterprise Module for Server Applications 15:nginx-1.14.2-3.6.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-10-04T11:53:35Z",
          "details": "low"
        }
      ],
      "title": "CVE-2019-9516"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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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.