CVE-2014-1776 (GCVE-0-2014-1776)

Vulnerability from cvelistv5 – Published: 2014-04-27 10:00 – Updated: 2025-10-22 00:05
VLAI?
Summary
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014. NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that "VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks."
CWE
  • n/a
Assigner
References
Show details on NVD website

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Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks.\\\"\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2018-10-12T19:57:01.000Z\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"n/a\"}]}, \"product_name\": \"n/a\"}]}, \"vendor_name\": \"n/a\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"http://securitytracker.com/id?1030154\", \"name\": \"1030154\", \"refsource\": \"SECTRACK\"}, {\"url\": \"http://www.osvdb.org/106311\", \"name\": \"106311\", \"refsource\": \"OSVDB\"}, {\"url\": \"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-021\", \"name\": \"MS14-021\", \"refsource\": \"MS\"}, {\"url\": \"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx\", \"name\": \"http://blogs.technet.com/b/srd/archive/2014/04/30/protection-strategies-for-the-security-advisory-2963983-ie-0day.aspx\", \"refsource\": \"CONFIRM\"}, {\"url\": \"http://secunia.com/advisories/57908\", \"name\": \"57908\", \"refsource\": \"SECUNIA\"}, {\"url\": \"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/\", \"name\": \"http://www.signalsec.com/cve-2014-1776-ie-0day-analysis/\", \"refsource\": \"MISC\"}, {\"url\": \"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html\", \"name\": \"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html\", \"refsource\": \"MISC\"}, {\"url\": \"http://www.kb.cert.org/vuls/id/222929\", \"name\": \"VU#222929\", \"refsource\": \"CERT-VN\"}, {\"url\": \"https://technet.microsoft.com/library/security/2963983\", \"name\": \"https://technet.microsoft.com/library/security/2963983\", \"refsource\": \"CONFIRM\"}, {\"url\": \"http://www.securityfocus.com/bid/67075\", \"name\": \"67075\", \"refsource\": \"BID\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014.  NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that \\\"VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks.\\\"\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"n/a\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2014-1776\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"secure@microsoft.com\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2014-1776\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-22T00:05:37.934Z\", \"dateReserved\": \"2014-01-29T00:00:00.000Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2014-04-27T10:00:00.000Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.


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Detection rules are retrieved from Rulezet.

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