GSD-2019-15695

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
Aliases
Aliases
CVE-2019-15695
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{
  "GSD": {
    "alias": "CVE-2019-15695",
    "description": "TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.",
    "id": "GSD-2019-15695",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-15695.html",
      "https://access.redhat.com/errata/RHSA-2020:3875",
      "https://access.redhat.com/errata/RHSA-2020:1497",
      "https://advisories.mageia.org/CVE-2019-15695.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2019-15695.html",
      "https://linux.oracle.com/cve/CVE-2019-15695.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-15695"
      ],
      "details": "TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.",
      "id": "GSD-2019-15695",
      "modified": "2023-12-13T01:23:38.592903Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2019-15695",
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      "affects": {
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          "vendor_data": [
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              "product": {
                "product_data": [
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                    "product_name": "TigerVNC",
                    "version": {
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          }
        ]
      },
      "problemtype": {
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                "value": "CWE-121: Stack-based Buffer Overflow"
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      "references": {
        "reference_data": [
          {
            "name": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1",
            "refsource": "MISC",
            "url": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"
          },
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            "name": "[oss-security] 20191220 VNC vulnerabilities. TigerVNC security update",
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            "url": "https://www.openwall.com/lists/oss-security/2019/12/20/2"
          },
          {
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            "url": "https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89"
          },
          {
            "name": "openSUSE-SU-2020:0087",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
          }
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    },
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                "cpe_name": [],
                "versionEndExcluding": "1.10.1",
                "vulnerable": true
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            "operator": "OR"
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            "children": [],
            "cpe_match": [
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              "value": "TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
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                  "value": "CWE-787"
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                {
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                  "value": "CWE-754"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1",
              "refsource": "MISC",
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            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.2,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-10-16T20:00Z",
      "publishedDate": "2019-12-26T16:15Z"
    }
  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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