SUSE-SU-2015:2088-1

Vulnerability from csaf_suse - Published: 2015-12-30 13:04 - Updated: 2015-12-30 13:04
Summary
Security update for LibVNCServer

Notes

Title of the patch
Security update for LibVNCServer
Description of the patch
The LibVNCServer package was updated to fix the following security issues: - bsc#897031: fix several security issues: * CVE-2014-6051: Integer overflow in MallocFrameBuffer() on client side. * CVE-2014-6052: Lack of malloc() return value checking on client side. * CVE-2014-6053: Server crash on a very large ClientCutText message. * CVE-2014-6054: Server crash when scaling factor is set to zero. * CVE-2014-6055: Multiple stack overflows in File Transfer feature. - bsc#854151: Restrict the SSL cipher suite.
Patchnames
SUSE-SLE-DESKTOP-12-2015-890,SUSE-SLE-SDK-12-2015-890,SUSE-SLE-SERVER-12-2015-890
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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  "vulnerabilities": [
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          "text": "https://www.suse.com/security/cve/CVE-2014-6051"
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          "title": "CVE description"
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          "date": "2015-12-30T13:04:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2014-6051"
    },
    {
      "cve": "CVE-2014-6052",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2014-6052"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2014-6052",
          "url": "https://www.suse.com/security/cve/CVE-2014-6052"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 897031 for CVE-2014-6052",
          "url": "https://bugzilla.suse.com/897031"
        }
      ],
      "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 Desktop 12:libvncclient0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Desktop 12:libvncserver0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Server 12:libvncclient0-0.9.9-16.1.ppc64le",
            "SUSE Linux Enterprise Server 12:libvncclient0-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Server 12:libvncclient0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Server 12:libvncserver0-0.9.9-16.1.ppc64le",
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            "SUSE Linux Enterprise Server for SAP Applications 12:libvncclient0-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncclient0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.ppc64le",
            "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2015-12-30T13:04:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2014-6052"
    },
    {
      "cve": "CVE-2014-6053",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2014-6053"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows remote attackers to cause a denial of service (memory consumption or daemon crash) via a crafted message that is processed by using a single unchecked malloc.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Desktop 12:libvncclient0-0.9.9-16.1.x86_64",
          "SUSE Linux Enterprise Desktop 12:libvncserver0-0.9.9-16.1.x86_64",
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          "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.s390x",
          "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.x86_64",
          "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.ppc64le",
          "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.s390x",
          "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2014-6053",
          "url": "https://www.suse.com/security/cve/CVE-2014-6053"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 897031 for CVE-2014-6053",
          "url": "https://bugzilla.suse.com/897031"
        }
      ],
      "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 Desktop 12:libvncclient0-0.9.9-16.1.x86_64",
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            "SUSE Linux Enterprise Server for SAP Applications 12:libvncclient0-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncclient0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.ppc64le",
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            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.x86_64",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2015-12-30T13:04:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2014-6053"
    },
    {
      "cve": "CVE-2014-6054",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2014-6054"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2014-6054",
          "url": "https://www.suse.com/security/cve/CVE-2014-6054"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 897031 for CVE-2014-6054",
          "url": "https://bugzilla.suse.com/897031"
        }
      ],
      "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": [
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            "SUSE Linux Enterprise Server for SAP Applications 12:libvncclient0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.x86_64",
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            "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2015-12-30T13:04:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2014-6054"
    },
    {
      "cve": "CVE-2014-6055",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2014-6055"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier allow remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a (1) long file or (2) directory name or the (3) FileTime attribute in a rfbFileTransferOffer message.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2014-6055",
          "url": "https://www.suse.com/security/cve/CVE-2014-6055"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 897031 for CVE-2014-6055",
          "url": "https://bugzilla.suse.com/897031"
        }
      ],
      "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 Desktop 12:libvncclient0-0.9.9-16.1.x86_64",
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            "SUSE Linux Enterprise Server 12:libvncserver0-0.9.9-16.1.ppc64le",
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            "SUSE Linux Enterprise Server 12:libvncserver0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncclient0-0.9.9-16.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncclient0-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncclient0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Server for SAP Applications 12:libvncserver0-0.9.9-16.1.x86_64",
            "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.ppc64le",
            "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.s390x",
            "SUSE Linux Enterprise Software Development Kit 12:LibVNCServer-devel-0.9.9-16.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2015-12-30T13:04:03Z",
          "details": "important"
        }
      ],
      "title": "CVE-2014-6055"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.