Vulnerability-Lookup

GHSA-49RV-G7W5-M8XX

Vulnerability from github – Published: 2020-08-28 21:24 – Updated: 2021-09-23 19:08

Summary

Cross-Site Scripting in @novnc/novnc

Details

Versions of @novnc/novnc prior to 0.6.2 are vulnerable to Cross-Site Scripting (XSS). The package fails to validate input from the remote VNC server such as the VNC server name. This allows an attacker in control of the remote server to execute arbitrary JavaScript in the noVNC web page. It affects any users of include/ui.js and users of vnc_auto.html and vnc.html.

Recommendation

Upgrade to version 0.6.2 or later.

Severity

6.1 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@novnc/novnc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2017-18635"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-08-28T21:21:28Z",
    "nvd_published_at": "2019-09-25T23:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Versions of `@novnc/novnc` prior to 0.6.2 are vulnerable to Cross-Site Scripting (XSS). The package fails to validate input from the remote VNC server such as the VNC server name. This allows an attacker in control of the remote server to execute arbitrary JavaScript in the noVNC web page. It affects any users of `include/ui.js` and users of `vnc_auto.html` and `vnc.html`.\n\n\n## Recommendation\n\nUpgrade to version 0.6.2 or later.",
  "id": "GHSA-49rv-g7w5-m8xx",
  "modified": "2021-09-23T19:08:01Z",
  "published": "2020-08-28T21:24:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18635"
    },
    {
      "type": "WEB",
      "url": "https://github.com/novnc/noVNC/issues/748"
    },
    {
      "type": "WEB",
      "url": "https://github.com/novnc/noVNC/commit/6048299a138e078aed210f163111698c8c526a13#diff-286f7dc7b881e942e97cd50c10898f03L534"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2020:0754"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/horizon/+bug/1656435"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ShielderSec/cve-2017-18635"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/novnc/noVNC"
    },
    {
      "type": "WEB",
      "url": "https://github.com/novnc/noVNC/releases/tag/v0.6.2"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00004.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00024.html"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-NOVNCNOVNC-469136"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4522-1"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/1204"
    },
    {
      "type": "WEB",
      "url": "https://www.shielder.it/blog/exploiting-an-old-novnc-xss-cve-2017-18635-in-openstack"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross-Site Scripting in @novnc/novnc"
}

CVE-2017-18635 (GCVE-0-2017-18635)

Vulnerability from cvelistv5 – Published: 2019-09-25 22:59 – Updated: 2024-08-05 21:28

Summary

An XSS vulnerability was discovered in noVNC before 0.6.2 in which the remote VNC server could inject arbitrary HTML into the noVNC web page via the messages propagated to the status field, such as the VNC server name.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

10 references

URL	Tags
https://github.com/novnc/noVNC/issues/748	x_refsource_MISC
https://github.com/novnc/noVNC/releases/tag/v0.6.2	x_refsource_MISC
https://bugs.launchpad.net/horizon/+bug/1656435	x_refsource_MISC
https://github.com/novnc/noVNC/commit/6048299a138…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://www.shielder.it/blog/exploiting-an-old-no…	x_refsource_MISC
https://github.com/ShielderSec/cve-2017-18635	x_refsource_MISC
https://access.redhat.com/errata/RHSA-2020:0754	vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/4522-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.