opensuse-su-2017:3203-1
Vulnerability from csaf_opensuse
Published
2017-12-02 14:54
Modified
2017-12-02 14:54
Summary
Security update for tor

Notes

Title of the patch
Security update for tor
Description of the patch
This update for tor fixes vulnerabilities that allowed some traffic confirmation, DoS and other attacks (bsc#1070849): - CVE-2017-8819: Replay-cache ineffective for v2 onion services - CVE-2017-8820: Remote DoS attack against directory authorities - CVE-2017-8821: An attacker can make Tor ask for a password - CVE-2017-8822: Relays can pick themselves in a circuit path - CVE-2017-8823: Use-after-free in onion service v2
Patchnames
openSUSE-2017-1336
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 

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    "distribution": {
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        "text": "This update for tor fixes vulnerabilities that allowed some\ntraffic confirmation, DoS and other attacks (bsc#1070849):\n\n- CVE-2017-8819: Replay-cache ineffective for v2 onion services\n- CVE-2017-8820: Remote DoS attack against directory authorities\n- CVE-2017-8821: An attacker can make Tor ask for a password\n- CVE-2017-8822: Relays can pick themselves in a circuit path\n- CVE-2017-8823: Use-after-free in onion service v2",
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    "title": "Security update for tor",
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  "vulnerabilities": [
    {
      "cve": "CVE-2017-8819",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2017-8819"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue.",
          "title": "CVE description"
        }
      ],
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          "SUSE Package Hub 12:tor-0.3.1.9-8.1.ppc64le",
          "SUSE Package Hub 12:tor-0.3.1.9-8.1.s390x",
          "SUSE Package Hub 12:tor-0.3.1.9-8.1.x86_64"
        ]
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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",
          "product_ids": [
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      ],
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          "date": "2017-12-02T14:54:54Z",
          "details": "moderate"
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          "text": "https://www.suse.com/security/cve/CVE-2017-8820"
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        {
          "category": "general",
          "text": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, remote attackers can cause a denial of service (NULL pointer dereference and application crash) against directory authorities via a malformed descriptor, aka TROVE-2017-010.",
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          "category": "general",
          "text": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, an attacker can cause a denial of service (application hang) via crafted PEM input that signifies a public key requiring a password, which triggers an attempt by the OpenSSL library to ask the user for the password, aka TROVE-2017-011.",
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      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2017-8822"
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      ],
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        {
          "category": "general",
          "text": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, relays (that have incompletely downloaded descriptors) can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012.",
          "title": "CVE description"
        }
      ],
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          "summary": "CVE-2017-8822",
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        },
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          "url": "https://bugzilla.suse.com/1070849"
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          "product_ids": [
            "SUSE Package Hub 12:tor-0.3.1.9-8.1.aarch64",
            "SUSE Package Hub 12:tor-0.3.1.9-8.1.ppc64le",
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            "SUSE Package Hub 12:tor-0.3.1.9-8.1.x86_64"
          ]
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      ],
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        {
          "cvss_v3": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
          "products": [
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            "SUSE Package Hub 12:tor-0.3.1.9-8.1.ppc64le",
            "SUSE Package Hub 12:tor-0.3.1.9-8.1.s390x",
            "SUSE Package Hub 12:tor-0.3.1.9-8.1.x86_64"
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          "date": "2017-12-02T14:54:54Z",
          "details": "moderate"
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      ],
      "title": "CVE-2017-8822"
    },
    {
      "cve": "CVE-2017-8823",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2017-8823"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Package Hub 12:tor-0.3.1.9-8.1.aarch64",
          "SUSE Package Hub 12:tor-0.3.1.9-8.1.ppc64le",
          "SUSE Package Hub 12:tor-0.3.1.9-8.1.s390x",
          "SUSE Package Hub 12:tor-0.3.1.9-8.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2017-8823",
          "url": "https://www.suse.com/security/cve/CVE-2017-8823"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1070849 for CVE-2017-8823",
          "url": "https://bugzilla.suse.com/1070849"
        }
      ],
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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",
          "product_ids": [
            "SUSE Package Hub 12:tor-0.3.1.9-8.1.aarch64",
            "SUSE Package Hub 12:tor-0.3.1.9-8.1.ppc64le",
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          "cvss_v3": {
            "baseScore": 8.1,
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            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
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          "date": "2017-12-02T14:54:54Z",
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      "title": "CVE-2017-8823"
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  ]
}


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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.