CVE-2019-1197 (GCVE-0-2019-1197)

Vulnerability from cvelistv5 – Published: 2019-08-14 20:55 – Updated: 2024-08-04 18:13
VLAI
Title
Chakra Scripting Engine Memory Corruption Vulnerability
Summary
A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based). The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit the vulnerability through Microsoft Edge (HTML-based) and then convince a user to view the website. The attacker could also take advantage of compromised websites and websites that accept or host user-provided content or advertisements. These websites could contain specially crafted content that could exploit the vulnerability. The security update addresses the vulnerability by modifying how the Chakra scripting engine handles objects in memory.
Severity
4.2 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-19 19:05 UTC
CWE
  • Remote Code Execution
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3957 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Microsoft ChakraCore Affected: 0 , < publication (custom)
    cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*
Create a notification for this product.
Microsoft Microsoft Edge (EdgeHTML-based) Affected: 1.0..0 , < publication (custom)
    cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2019-08-13 07:00
Show details on NVD website
To clipboard 

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                "Windows 10 Version 1803 for ARM64-based Systems",
                "Windows 10 Version 1809 for 32-bit Systems",
                "Windows 10 Version 1809 for x64-based Systems",
                "Windows 10 Version 1809 for ARM64-based Systems",
                "Windows Server 2019",
                "Windows 10 Version 1709 for 32-bit Systems",
                "Windows 10 Version 1709 for x64-based Systems",
                "Windows 10 Version 1709 for ARM64-based Systems",
                "Windows 10 Version 1903 for 32-bit Systems",
                "Windows 10 Version 1903 for x64-based Systems",
                "Windows 10 Version 1903 for ARM64-based Systems",
                "Windows 10 for 32-bit Systems",
                "Windows 10 for x64-based Systems",
                "Windows 10 Version 1607 for 32-bit Systems",
                "Windows 10 Version 1607 for x64-based Systems",
                "Windows Server 2016"
              ],
              "product": "Microsoft Edge (EdgeHTML-based)",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "1.0..0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2019-08-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based). The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\nIn a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit the vulnerability through Microsoft Edge (HTML-based) and then convince a user to view the website. The attacker could also take advantage of compromised websites and websites that accept or host user-provided content or advertisements. These websites could contain specially crafted content that could exploit the vulnerability.\nThe security update addresses the vulnerability by modifying how the Chakra scripting engine handles objects in memory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 4.2,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2024-05-29T16:50:38.863Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1197"
            }
          ],
          "title": "Chakra Scripting Engine Memory Corruption Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2019-1197",
        "datePublished": "2019-08-14T20:55:05.000Z",
        "dateReserved": "2018-11-26T00:00:00.000Z",
        "dateUpdated": "2024-08-04T18:13:29.263Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    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.