opensuse-su-2021:0926-1
Vulnerability from csaf_opensuse
Published
2021-06-25 18:34
Modified
2021-06-25 18:34
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.
Patchnames
openSUSE-2021-926
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


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{
  "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\u0027t 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",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "openSUSE-2021-926",
        "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": [
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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_0926-1.json"
      },
      {
        "category": "self",
        "summary": "URL for openSUSE-SU-2021:0926-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/GJI5DAQGLSGJLTAEBDK3BJ65DR3SJHCE/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for openSUSE-SU-2021:0926-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/GJI5DAQGLSGJLTAEBDK3BJ65DR3SJHCE/"
      },
      {
        "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": "2021-06-25T18:34:10Z",
      "generator": {
        "date": "2021-06-25T18:34:10Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
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      },
      "id": "openSUSE-SU-2021:0926-1",
      "initial_release_date": "2021-06-25T18:34:10Z",
      "revision_history": [
        {
          "date": "2021-06-25T18:34:10Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
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            "branches": [
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                "category": "product_version",
                "name": "tor-0.4.5.9-lp152.2.12.1.x86_64",
                "product": {
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            "category": "architecture",
            "name": "x86_64"
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          {
            "branches": [
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                "product": {
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                  "product_id": "openSUSE Leap 15.2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:opensuse:leap:15.2"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
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        "category": "default_component_of",
        "full_product_name": {
          "name": "tor-0.4.5.9-lp152.2.12.1.x86_64 as component of openSUSE Leap 15.2",
          "product_id": "openSUSE Leap 15.2:tor-0.4.5.9-lp152.2.12.1.x86_64"
        },
        "product_reference": "tor-0.4.5.9-lp152.2.12.1.x86_64",
        "relates_to_product_reference": "openSUSE Leap 15.2"
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  },
  "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": {
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          "openSUSE Leap 15.2:tor-0.4.5.9-lp152.2.12.1.x86_64"
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      "references": [
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          "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": [
            "openSUSE Leap 15.2:tor-0.4.5.9-lp152.2.12.1.x86_64"
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      "scores": [
        {
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            "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"
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          "date": "2021-06-25T18:34:10Z",
          "details": "important"
        }
      ],
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    {
      "cve": "CVE-2021-34549",
      "ids": [
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          "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": {
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          "url": "https://www.suse.com/security/cve/CVE-2021-34549"
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          "summary": "SUSE Bug 1187324 for CVE-2021-34549",
          "url": "https://bugzilla.suse.com/1187324"
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            "version": "3.1"
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          "date": "2021-06-25T18:34:10Z",
          "details": "moderate"
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          "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"
        }
      ],
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          "category": "impact",
          "date": "2021-06-25T18:34:10Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2021-34550"
    }
  ]
}


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