suse-su-2020:14424-1
Vulnerability from csaf_suse
Published
2020-07-17 12:21
Modified
2020-07-17 12:21
Summary
Security update for LibVNCServer

Notes

Title of the patch
Security update for LibVNCServer
Description of the patch
This update for LibVNCServer fixes the following issues: - security update - added patches fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c + LibVNCServer-CVE-2020-14398.patch fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c + LibVNCServer-CVE-2020-14397.patch fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. + LibVNCServer-CVE-2020-14399.patch fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. + LibVNCServer-CVE-2020-14400.patch fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c + LibVNCServer-CVE-2020-14401.patch fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings. + LibVNCServer-CVE-2020-14402,14403,14404.patch
Patchnames
sleposp3-LibVNCServer-14424,slessp4-LibVNCServer-14424
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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        "text": "This update for LibVNCServer fixes the following issues:\n\n- security update\n- added patches\n  fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c\n  + LibVNCServer-CVE-2020-14398.patch\n  fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c\n  + LibVNCServer-CVE-2020-14397.patch\n  fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c.\n  + LibVNCServer-CVE-2020-14399.patch\n  fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.\n  + LibVNCServer-CVE-2020-14400.patch\n  fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c\n  + LibVNCServer-CVE-2020-14401.patch\n  fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings.\n  + LibVNCServer-CVE-2020-14402,14403,14404.patch\n",
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          "text": "https://www.suse.com/security/cve/CVE-2020-14397"
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          "text": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.",
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          "text": "** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly \"no trust boundary crossed.\"",
          "title": "CVE description"
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        }
      ],
      "title": "CVE-2020-14399"
    },
    {
      "cve": "CVE-2020-14400",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-14400"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-14400",
          "url": "https://www.suse.com/security/cve/CVE-2020-14400"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1173477 for CVE-2020-14400",
          "url": "https://bugzilla.suse.com/1173477"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1173691 for CVE-2020-14400",
          "url": "https://bugzilla.suse.com/1173691"
        }
      ],
      "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 Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-17T12:21:12Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-14400"
    },
    {
      "cve": "CVE-2020-14401",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-14401"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-14401",
          "url": "https://www.suse.com/security/cve/CVE-2020-14401"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1173477 for CVE-2020-14401",
          "url": "https://bugzilla.suse.com/1173477"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1173694 for CVE-2020-14401",
          "url": "https://bugzilla.suse.com/1173694"
        }
      ],
      "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 Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-17T12:21:12Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-14401"
    },
    {
      "cve": "CVE-2020-14402",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-14402"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
          "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-14402",
          "url": "https://www.suse.com/security/cve/CVE-2020-14402"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1173477 for CVE-2020-14402",
          "url": "https://bugzilla.suse.com/1173477"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1173701 for CVE-2020-14402",
          "url": "https://bugzilla.suse.com/1173701"
        }
      ],
      "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 Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Point of Sale 11 SP3:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.i586",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.ppc64",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.s390x",
            "SUSE Linux Enterprise Server 11 SP4-LTSS:LibVNCServer-0.9.1-160.19.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-17T12:21:12Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-14402"
    }
  ]
}


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  • 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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