Vulnerability from csaf_suse
Published
2021-07-02 15:25
Modified
2021-07-02 15:25
Summary
Security update for python-rsa

Notes

Title of the patch
Security update for python-rsa
Description of the patch
This update for python-rsa fixes the following issues: - CVE-2020-13757: Proper handling of leading '\0' bytes during decryption of ciphertext (bsc#1172389)
Patchnames
SUSE-2021-2237,SUSE-OpenStack-Cloud-7-2021-2237,SUSE-SLE-Module-Public-Cloud-12-2021-2237
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: "important",
      },
      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 python-rsa",
            title: "Title of the patch",
         },
         {
            category: "description",
            text: "This update for python-rsa fixes the following issues:\n\n- CVE-2020-13757: Proper handling of leading '\\0' bytes during decryption of ciphertext (bsc#1172389)\n",
            title: "Description of the patch",
         },
         {
            category: "details",
            text: "SUSE-2021-2237,SUSE-OpenStack-Cloud-7-2021-2237,SUSE-SLE-Module-Public-Cloud-12-2021-2237",
            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-2021_2237-1.json",
         },
         {
            category: "self",
            summary: "URL for SUSE-SU-2021:2237-1",
            url: "https://www.suse.com/support/update/announcement/2021/suse-su-20212237-1/",
         },
         {
            category: "self",
            summary: "E-Mail link for SUSE-SU-2021:2237-1",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009114.html",
         },
         {
            category: "self",
            summary: "SUSE Bug 1172389",
            url: "https://bugzilla.suse.com/1172389",
         },
         {
            category: "self",
            summary: "SUSE CVE CVE-2020-13757 page",
            url: "https://www.suse.com/security/cve/CVE-2020-13757/",
         },
      ],
      title: "Security update for python-rsa",
      tracking: {
         current_release_date: "2021-07-02T15:25:10Z",
         generator: {
            date: "2021-07-02T15:25:10Z",
            engine: {
               name: "cve-database.git:bin/generate-csaf.pl",
               version: "1",
            },
         },
         id: "SUSE-SU-2021:2237-1",
         initial_release_date: "2021-07-02T15:25:10Z",
         revision_history: [
            {
               date: "2021-07-02T15:25:10Z",
               number: "1",
               summary: "Current version",
            },
         ],
         status: "final",
         version: "1",
      },
   },
   product_tree: {
      branches: [
         {
            branches: [
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "python-rsa-3.1.4-12.16.1.noarch",
                        product: {
                           name: "python-rsa-3.1.4-12.16.1.noarch",
                           product_id: "python-rsa-3.1.4-12.16.1.noarch",
                        },
                     },
                     {
                        category: "product_version",
                        name: "python3-rsa-3.1.4-12.16.1.noarch",
                        product: {
                           name: "python3-rsa-3.1.4-12.16.1.noarch",
                           product_id: "python3-rsa-3.1.4-12.16.1.noarch",
                        },
                     },
                  ],
                  category: "architecture",
                  name: "noarch",
               },
               {
                  branches: [
                     {
                        category: "product_name",
                        name: "SUSE OpenStack Cloud 7",
                        product: {
                           name: "SUSE OpenStack Cloud 7",
                           product_id: "SUSE OpenStack Cloud 7",
                           product_identification_helper: {
                              cpe: "cpe:/o:suse:suse-openstack-cloud:7",
                           },
                        },
                     },
                     {
                        category: "product_name",
                        name: "SUSE Linux Enterprise Module for Public Cloud 12",
                        product: {
                           name: "SUSE Linux Enterprise Module for Public Cloud 12",
                           product_id: "SUSE Linux Enterprise Module for Public Cloud 12",
                           product_identification_helper: {
                              cpe: "cpe:/o:suse:sle-module-public-cloud:12",
                           },
                        },
                     },
                  ],
                  category: "product_family",
                  name: "SUSE Linux Enterprise",
               },
            ],
            category: "vendor",
            name: "SUSE",
         },
      ],
      relationships: [
         {
            category: "default_component_of",
            full_product_name: {
               name: "python-rsa-3.1.4-12.16.1.noarch as component of SUSE OpenStack Cloud 7",
               product_id: "SUSE OpenStack Cloud 7:python-rsa-3.1.4-12.16.1.noarch",
            },
            product_reference: "python-rsa-3.1.4-12.16.1.noarch",
            relates_to_product_reference: "SUSE OpenStack Cloud 7",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "python-rsa-3.1.4-12.16.1.noarch as component of SUSE Linux Enterprise Module for Public Cloud 12",
               product_id: "SUSE Linux Enterprise Module for Public Cloud 12:python-rsa-3.1.4-12.16.1.noarch",
            },
            product_reference: "python-rsa-3.1.4-12.16.1.noarch",
            relates_to_product_reference: "SUSE Linux Enterprise Module for Public Cloud 12",
         },
      ],
   },
   vulnerabilities: [
      {
         cve: "CVE-2020-13757",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2020-13757",
            },
         ],
         notes: [
            {
               category: "general",
               text: "Python-RSA before 4.1 ignores leading '\\0' bytes during decryption of ciphertext. This could conceivably have a security-relevant impact, e.g., by helping an attacker to infer that an application uses Python-RSA, or if the length of accepted ciphertext affects application behavior (such as by causing excessive memory allocation).",
               title: "CVE description",
            },
         ],
         product_status: {
            recommended: [
               "SUSE Linux Enterprise Module for Public Cloud 12:python-rsa-3.1.4-12.16.1.noarch",
               "SUSE OpenStack Cloud 7:python-rsa-3.1.4-12.16.1.noarch",
            ],
         },
         references: [
            {
               category: "external",
               summary: "CVE-2020-13757",
               url: "https://www.suse.com/security/cve/CVE-2020-13757",
            },
            {
               category: "external",
               summary: "SUSE Bug 1172389 for CVE-2020-13757",
               url: "https://bugzilla.suse.com/1172389",
            },
         ],
         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 Public Cloud 12:python-rsa-3.1.4-12.16.1.noarch",
                  "SUSE OpenStack Cloud 7:python-rsa-3.1.4-12.16.1.noarch",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  version: "3.1",
               },
               products: [
                  "SUSE Linux Enterprise Module for Public Cloud 12:python-rsa-3.1.4-12.16.1.noarch",
                  "SUSE OpenStack Cloud 7:python-rsa-3.1.4-12.16.1.noarch",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               date: "2021-07-02T15:25:10Z",
               details: "important",
            },
         ],
         title: "CVE-2020-13757",
      },
   ],
}


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