Vulnerability from csaf_suse
Published
2020-04-09 09:41
Modified
2020-04-09 09:41
Summary
Security update for libssh

Notes

Title of the patch
Security update for libssh
Description of the patch
This update for libssh fixes the following issues: - CVE-2020-1730: Fixed a possible denial of service when using AES-CTR (bsc#1168699).
Patchnames
SUSE-2020-967,SUSE-SLE-Module-Basesystem-15-SP1-2020-967,SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-967
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
   document: {
      aggregate_severity: {
         namespace: "https://www.suse.com/support/security/rating/",
         text: "moderate",
      },
      category: "csaf_security_advisory",
      csaf_version: "2.0",
      distribution: {
         text: "Copyright 2024 SUSE LLC. All rights reserved.",
         tlp: {
            label: "WHITE",
            url: "https://www.first.org/tlp/",
         },
      },
      lang: "en",
      notes: [
         {
            category: "summary",
            text: "Security update for libssh",
            title: "Title of the patch",
         },
         {
            category: "description",
            text: "This update for libssh fixes the following issues:\n\n- CVE-2020-1730: Fixed a possible denial of service when using AES-CTR (bsc#1168699).\n",
            title: "Description of the patch",
         },
         {
            category: "details",
            text: "SUSE-2020-967,SUSE-SLE-Module-Basesystem-15-SP1-2020-967,SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-967",
            title: "Patchnames",
         },
         {
            category: "legal_disclaimer",
            text: "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
            title: "Terms of use",
         },
      ],
      publisher: {
         category: "vendor",
         contact_details: "https://www.suse.com/support/security/contact/",
         name: "SUSE Product Security Team",
         namespace: "https://www.suse.com/",
      },
      references: [
         {
            category: "external",
            summary: "SUSE ratings",
            url: "https://www.suse.com/support/security/rating/",
         },
         {
            category: "self",
            summary: "URL of this CSAF notice",
            url: "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2020_0967-1.json",
         },
         {
            category: "self",
            summary: "URL for SUSE-SU-2020:0967-1",
            url: "https://www.suse.com/support/update/announcement/2020/suse-su-20200967-1/",
         },
         {
            category: "self",
            summary: "E-Mail link for SUSE-SU-2020:0967-1",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2020-April/006694.html",
         },
         {
            category: "self",
            summary: "SUSE Bug 1168699",
            url: "https://bugzilla.suse.com/1168699",
         },
         {
            category: "self",
            summary: "SUSE CVE CVE-2020-1730 page",
            url: "https://www.suse.com/security/cve/CVE-2020-1730/",
         },
      ],
      title: "Security update for libssh",
      tracking: {
         current_release_date: "2020-04-09T09:41:56Z",
         generator: {
            date: "2020-04-09T09:41:56Z",
            engine: {
               name: "cve-database.git:bin/generate-csaf.pl",
               version: "1",
            },
         },
         id: "SUSE-SU-2020:0967-1",
         initial_release_date: "2020-04-09T09:41:56Z",
         revision_history: [
            {
               date: "2020-04-09T09:41:56Z",
               number: "1",
               summary: "Current version",
            },
         ],
         status: "final",
         version: "1",
      },
   },
   product_tree: {
      branches: [
         {
            branches: [
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "libssh-devel-0.8.7-10.12.1.aarch64",
                        product: {
                           name: "libssh-devel-0.8.7-10.12.1.aarch64",
                           product_id: "libssh-devel-0.8.7-10.12.1.aarch64",
                        },
                     },
                     {
                        category: "product_version",
                        name: "libssh4-0.8.7-10.12.1.aarch64",
                        product: {
                           name: "libssh4-0.8.7-10.12.1.aarch64",
                           product_id: "libssh4-0.8.7-10.12.1.aarch64",
                        },
                     },
                  ],
                  category: "architecture",
                  name: "aarch64",
               },
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "libssh4-64bit-0.8.7-10.12.1.aarch64_ilp32",
                        product: {
                           name: "libssh4-64bit-0.8.7-10.12.1.aarch64_ilp32",
                           product_id: "libssh4-64bit-0.8.7-10.12.1.aarch64_ilp32",
                        },
                     },
                  ],
                  category: "architecture",
                  name: "aarch64_ilp32",
               },
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "libssh-devel-0.8.7-10.12.1.i586",
                        product: {
                           name: "libssh-devel-0.8.7-10.12.1.i586",
                           product_id: "libssh-devel-0.8.7-10.12.1.i586",
                        },
                     },
                     {
                        category: "product_version",
                        name: "libssh4-0.8.7-10.12.1.i586",
                        product: {
                           name: "libssh4-0.8.7-10.12.1.i586",
                           product_id: "libssh4-0.8.7-10.12.1.i586",
                        },
                     },
                  ],
                  category: "architecture",
                  name: "i586",
               },
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "libssh-devel-0.8.7-10.12.1.ppc64le",
                        product: {
                           name: "libssh-devel-0.8.7-10.12.1.ppc64le",
                           product_id: "libssh-devel-0.8.7-10.12.1.ppc64le",
                        },
                     },
                     {
                        category: "product_version",
                        name: "libssh4-0.8.7-10.12.1.ppc64le",
                        product: {
                           name: "libssh4-0.8.7-10.12.1.ppc64le",
                           product_id: "libssh4-0.8.7-10.12.1.ppc64le",
                        },
                     },
                  ],
                  category: "architecture",
                  name: "ppc64le",
               },
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "libssh-devel-0.8.7-10.12.1.s390x",
                        product: {
                           name: "libssh-devel-0.8.7-10.12.1.s390x",
                           product_id: "libssh-devel-0.8.7-10.12.1.s390x",
                        },
                     },
                     {
                        category: "product_version",
                        name: "libssh4-0.8.7-10.12.1.s390x",
                        product: {
                           name: "libssh4-0.8.7-10.12.1.s390x",
                           product_id: "libssh4-0.8.7-10.12.1.s390x",
                        },
                     },
                  ],
                  category: "architecture",
                  name: "s390x",
               },
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "libssh-devel-0.8.7-10.12.1.x86_64",
                        product: {
                           name: "libssh-devel-0.8.7-10.12.1.x86_64",
                           product_id: "libssh-devel-0.8.7-10.12.1.x86_64",
                        },
                     },
                     {
                        category: "product_version",
                        name: "libssh4-0.8.7-10.12.1.x86_64",
                        product: {
                           name: "libssh4-0.8.7-10.12.1.x86_64",
                           product_id: "libssh4-0.8.7-10.12.1.x86_64",
                        },
                     },
                     {
                        category: "product_version",
                        name: "libssh4-32bit-0.8.7-10.12.1.x86_64",
                        product: {
                           name: "libssh4-32bit-0.8.7-10.12.1.x86_64",
                           product_id: "libssh4-32bit-0.8.7-10.12.1.x86_64",
                        },
                     },
                  ],
                  category: "architecture",
                  name: "x86_64",
               },
               {
                  branches: [
                     {
                        category: "product_name",
                        name: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
                        product: {
                           name: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
                           product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
                           product_identification_helper: {
                              cpe: "cpe:/o:suse:sle-module-basesystem:15:sp1",
                           },
                        },
                     },
                  ],
                  category: "product_family",
                  name: "SUSE Linux Enterprise",
               },
            ],
            category: "vendor",
            name: "SUSE",
         },
      ],
      relationships: [
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh-devel-0.8.7-10.12.1.aarch64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.aarch64",
            },
            product_reference: "libssh-devel-0.8.7-10.12.1.aarch64",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh-devel-0.8.7-10.12.1.ppc64le as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.ppc64le",
            },
            product_reference: "libssh-devel-0.8.7-10.12.1.ppc64le",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh-devel-0.8.7-10.12.1.s390x as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.s390x",
            },
            product_reference: "libssh-devel-0.8.7-10.12.1.s390x",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh-devel-0.8.7-10.12.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.x86_64",
            },
            product_reference: "libssh-devel-0.8.7-10.12.1.x86_64",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh4-0.8.7-10.12.1.aarch64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.aarch64",
            },
            product_reference: "libssh4-0.8.7-10.12.1.aarch64",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh4-0.8.7-10.12.1.ppc64le as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.ppc64le",
            },
            product_reference: "libssh4-0.8.7-10.12.1.ppc64le",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh4-0.8.7-10.12.1.s390x as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.s390x",
            },
            product_reference: "libssh4-0.8.7-10.12.1.s390x",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh4-0.8.7-10.12.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.x86_64",
            },
            product_reference: "libssh4-0.8.7-10.12.1.x86_64",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "libssh4-32bit-0.8.7-10.12.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP1",
               product_id: "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-32bit-0.8.7-10.12.1.x86_64",
            },
            product_reference: "libssh4-32bit-0.8.7-10.12.1.x86_64",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Basesystem 15 SP1",
         },
      ],
   },
   vulnerabilities: [
      {
         cve: "CVE-2020-1730",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2020-1730",
            },
         ],
         notes: [
            {
               category: "general",
               text: "A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The biggest threat from this vulnerability is system availability.",
               title: "CVE description",
            },
         ],
         product_status: {
            recommended: [
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.aarch64",
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.ppc64le",
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.s390x",
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.x86_64",
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.aarch64",
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.ppc64le",
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.s390x",
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.x86_64",
               "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-32bit-0.8.7-10.12.1.x86_64",
            ],
         },
         references: [
            {
               category: "external",
               summary: "CVE-2020-1730",
               url: "https://www.suse.com/security/cve/CVE-2020-1730",
            },
            {
               category: "external",
               summary: "SUSE Bug 1168699 for CVE-2020-1730",
               url: "https://bugzilla.suse.com/1168699",
            },
         ],
         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 Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.aarch64",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.ppc64le",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.s390x",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.x86_64",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.aarch64",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.ppc64le",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.s390x",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.x86_64",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-32bit-0.8.7-10.12.1.x86_64",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 5.3,
                  baseSeverity: "MEDIUM",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  version: "3.1",
               },
               products: [
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.aarch64",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.ppc64le",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.s390x",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh-devel-0.8.7-10.12.1.x86_64",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.aarch64",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.ppc64le",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.s390x",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-0.8.7-10.12.1.x86_64",
                  "SUSE Linux Enterprise Module for Basesystem 15 SP1:libssh4-32bit-0.8.7-10.12.1.x86_64",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               date: "2020-04-09T09:41:56Z",
               details: "moderate",
            },
         ],
         title: "CVE-2020-1730",
      },
   ],
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




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.