Vulnerability from csaf_opensuse
Published
2021-06-29 08:06
Modified
2021-06-29 08:06
Summary
Security update for tor

Notes

Title of the patch
Security update for tor
Description of the patch
This update for tor fixes the following issues: tor 0.4.5.9 * Don't allow relays to spoof RELAY_END or RELAY_RESOLVED cell (CVE-2021-34548, boo#1187322) * Detect more failure conditions from the OpenSSL RNG code (boo#1187323) * Resist a hashtable-based CPU denial-of-service attack against relays (CVE-2021-34549, boo#1187324) * Fix an out-of-bounds memory access in v3 onion service descriptor parsing (CVE-2021-34550, boo#1187325) tor 0.4.5.8 * https://lists.torproject.org/pipermail/tor-announce/2021-May/000219.html * allow Linux sandbox with Glibc 2.33 * work with autoconf 2.70+ * several other minor features and bugfixes (see announcement) - Fix logging issue due to systemd picking up stdout - boo#1181244 Continue to log notices to syslog by default. This update was imported from the openSUSE:Leap:15.2:Update update project.
Patchnames
openSUSE-2021-941
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 tor",
            title: "Title of the patch",
         },
         {
            category: "description",
            text: "This update for tor fixes the following issues:\n\ntor 0.4.5.9\n\n* Don't allow relays to spoof RELAY_END or RELAY_RESOLVED cell (CVE-2021-34548, boo#1187322)\n* Detect more failure conditions from the OpenSSL RNG code (boo#1187323)\n* Resist a hashtable-based CPU denial-of-service attack against relays (CVE-2021-34549, boo#1187324)\n* Fix an out-of-bounds memory access in v3 onion service descriptor parsing (CVE-2021-34550, boo#1187325)\n\ntor 0.4.5.8\n\n* https://lists.torproject.org/pipermail/tor-announce/2021-May/000219.html\n* allow Linux sandbox with Glibc 2.33\n* work with autoconf 2.70+\n* several other minor features and bugfixes (see announcement)\n\n- Fix logging issue due to systemd picking up stdout - boo#1181244\n  Continue to log notices to syslog by default.\n\nThis update was imported from the openSUSE:Leap:15.2:Update update project.",
            title: "Description of the patch",
         },
         {
            category: "details",
            text: "openSUSE-2021-941",
            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",
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      },
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            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/opensuse-su-2021_0941-1.json",
         },
         {
            category: "self",
            summary: "URL for openSUSE-SU-2021:0941-1",
            url: "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/553MAZKSU2F6B7N6LTWA5YMHITLEL3HL/",
         },
         {
            category: "self",
            summary: "E-Mail link for openSUSE-SU-2021:0941-1",
            url: "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/553MAZKSU2F6B7N6LTWA5YMHITLEL3HL/",
         },
         {
            category: "self",
            summary: "SUSE Bug 1179331",
            url: "https://bugzilla.suse.com/1179331",
         },
         {
            category: "self",
            summary: "SUSE Bug 1181244",
            url: "https://bugzilla.suse.com/1181244",
         },
         {
            category: "self",
            summary: "SUSE Bug 1187322",
            url: "https://bugzilla.suse.com/1187322",
         },
         {
            category: "self",
            summary: "SUSE Bug 1187323",
            url: "https://bugzilla.suse.com/1187323",
         },
         {
            category: "self",
            summary: "SUSE Bug 1187324",
            url: "https://bugzilla.suse.com/1187324",
         },
         {
            category: "self",
            summary: "SUSE Bug 1187325",
            url: "https://bugzilla.suse.com/1187325",
         },
         {
            category: "self",
            summary: "SUSE CVE CVE-2021-34548 page",
            url: "https://www.suse.com/security/cve/CVE-2021-34548/",
         },
         {
            category: "self",
            summary: "SUSE CVE CVE-2021-34549 page",
            url: "https://www.suse.com/security/cve/CVE-2021-34549/",
         },
         {
            category: "self",
            summary: "SUSE CVE CVE-2021-34550 page",
            url: "https://www.suse.com/security/cve/CVE-2021-34550/",
         },
      ],
      title: "Security update for tor",
      tracking: {
         current_release_date: "2021-06-29T08:06:38Z",
         generator: {
            date: "2021-06-29T08:06:38Z",
            engine: {
               name: "cve-database.git:bin/generate-csaf.pl",
               version: "1",
            },
         },
         id: "openSUSE-SU-2021:0941-1",
         initial_release_date: "2021-06-29T08:06:38Z",
         revision_history: [
            {
               date: "2021-06-29T08:06:38Z",
               number: "1",
               summary: "Current version",
            },
         ],
         status: "final",
         version: "1",
      },
   },
   product_tree: {
      branches: [
         {
            branches: [
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "tor-0.4.5.9-bp152.2.12.1.aarch64",
                        product: {
                           name: "tor-0.4.5.9-bp152.2.12.1.aarch64",
                           product_id: "tor-0.4.5.9-bp152.2.12.1.aarch64",
                        },
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                  category: "architecture",
                  name: "aarch64",
               },
               {
                  branches: [
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                        },
                     },
                  ],
                  category: "architecture",
                  name: "ppc64le",
               },
               {
                  branches: [
                     {
                        category: "product_version",
                        name: "tor-0.4.5.9-bp152.2.12.1.s390x",
                        product: {
                           name: "tor-0.4.5.9-bp152.2.12.1.s390x",
                           product_id: "tor-0.4.5.9-bp152.2.12.1.s390x",
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                  ],
                  category: "architecture",
                  name: "s390x",
               },
               {
                  branches: [
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                        category: "product_version",
                        name: "tor-0.4.5.9-bp152.2.12.1.x86_64",
                        product: {
                           name: "tor-0.4.5.9-bp152.2.12.1.x86_64",
                           product_id: "tor-0.4.5.9-bp152.2.12.1.x86_64",
                        },
                     },
                  ],
                  category: "architecture",
                  name: "x86_64",
               },
               {
                  branches: [
                     {
                        category: "product_name",
                        name: "SUSE Package Hub 15 SP2",
                        product: {
                           name: "SUSE Package Hub 15 SP2",
                           product_id: "SUSE Package Hub 15 SP2",
                        },
                     },
                  ],
                  category: "product_family",
                  name: "SUSE Linux Enterprise",
               },
            ],
            category: "vendor",
            name: "SUSE",
         },
      ],
      relationships: [
         {
            category: "default_component_of",
            full_product_name: {
               name: "tor-0.4.5.9-bp152.2.12.1.aarch64 as component of SUSE Package Hub 15 SP2",
               product_id: "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
            },
            product_reference: "tor-0.4.5.9-bp152.2.12.1.aarch64",
            relates_to_product_reference: "SUSE Package Hub 15 SP2",
         },
         {
            category: "default_component_of",
            full_product_name: {
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               product_id: "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
            },
            product_reference: "tor-0.4.5.9-bp152.2.12.1.ppc64le",
            relates_to_product_reference: "SUSE Package Hub 15 SP2",
         },
         {
            category: "default_component_of",
            full_product_name: {
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            },
            product_reference: "tor-0.4.5.9-bp152.2.12.1.s390x",
            relates_to_product_reference: "SUSE Package Hub 15 SP2",
         },
         {
            category: "default_component_of",
            full_product_name: {
               name: "tor-0.4.5.9-bp152.2.12.1.x86_64 as component of SUSE Package Hub 15 SP2",
               product_id: "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
            },
            product_reference: "tor-0.4.5.9-bp152.2.12.1.x86_64",
            relates_to_product_reference: "SUSE Package Hub 15 SP2",
         },
      ],
   },
   vulnerabilities: [
      {
         cve: "CVE-2021-34548",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2021-34548",
            },
         ],
         notes: [
            {
               category: "general",
               text: "An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-003. An attacker can forge RELAY_END or RELAY_RESOLVED to bypass the intended access control for ending a stream.",
               title: "CVE description",
            },
         ],
         product_status: {
            recommended: [
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
            ],
         },
         references: [
            {
               category: "external",
               summary: "CVE-2021-34548",
               url: "https://www.suse.com/security/cve/CVE-2021-34548",
            },
            {
               category: "external",
               summary: "SUSE Bug 1187322 for CVE-2021-34548",
               url: "https://bugzilla.suse.com/1187322",
            },
         ],
         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 Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               products: [
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               date: "2021-06-29T08:06:38Z",
               details: "important",
            },
         ],
         title: "CVE-2021-34548",
      },
      {
         cve: "CVE-2021-34549",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2021-34549",
            },
         ],
         notes: [
            {
               category: "general",
               text: "An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.",
               title: "CVE description",
            },
         ],
         product_status: {
            recommended: [
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               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
            ],
         },
         references: [
            {
               category: "external",
               summary: "CVE-2021-34549",
               url: "https://www.suse.com/security/cve/CVE-2021-34549",
            },
            {
               category: "external",
               summary: "SUSE Bug 1187324 for CVE-2021-34549",
               url: "https://bugzilla.suse.com/1187324",
            },
         ],
         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 Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               products: [
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               date: "2021-06-29T08:06:38Z",
               details: "moderate",
            },
         ],
         title: "CVE-2021-34549",
      },
      {
         cve: "CVE-2021-34550",
         ids: [
            {
               system_name: "SUSE CVE Page",
               text: "https://www.suse.com/security/cve/CVE-2021-34550",
            },
         ],
         notes: [
            {
               category: "general",
               text: "An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor",
               title: "CVE description",
            },
         ],
         product_status: {
            recommended: [
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
               "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
            ],
         },
         references: [
            {
               category: "external",
               summary: "CVE-2021-34550",
               url: "https://www.suse.com/security/cve/CVE-2021-34550",
            },
            {
               category: "external",
               summary: "SUSE Bug 1187325 for CVE-2021-34550",
               url: "https://bugzilla.suse.com/1187325",
            },
         ],
         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 Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
               ],
            },
         ],
         scores: [
            {
               cvss_v3: {
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               products: [
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.aarch64",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.ppc64le",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.s390x",
                  "SUSE Package Hub 15 SP2:tor-0.4.5.9-bp152.2.12.1.x86_64",
               ],
            },
         ],
         threats: [
            {
               category: "impact",
               date: "2021-06-29T08:06:38Z",
               details: "moderate",
            },
         ],
         title: "CVE-2021-34550",
      },
   ],
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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