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Findings

Vulnerability · CVE-2014-1809

MSCOMCTL ASLR Vulnerability

Published May 14, 2014 · corrected/updated May 14, 2014 · Microsoft Office · evidence confidence very high

The MSCOMCTL library in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013 Gold, SP1, RT, and RT SP1 makes it easier for remote attackers to bypass the ASLR protection mechanism via a crafted web site, as exploited in the wild in May 2014, aka "MSCOMCTL ASLR Vulnerability."

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2014-1809 is a unknown public vulnerability record for Microsoft Office. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Microsoft Office is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Microsoft Office. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since May 14, 2014. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 14, 2014 · VulnCheck KEV

    Detected

    The MSCOMCTL library in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013 Gold, SP1, RT, and RT SP1 makes it easier for remote attackers to bypass the ASLR protection mechanism via a crafted web site, as exploited in the wild in May 2014, aka "MSCOMCTL ASLR Vulnerability."

  2. May 14, 2014 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor Microsoft Officeversion unspecified

Sources

  • VulnCheck KEVConfirmed exploitationCVE-2014-1809

    The MSCOMCTL library in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013 Gold, SP1, RT, and RT SP1 makes it easier for remote attackers to bypass the ASLR protection mechanism via a crafted web site, as exploited in the wild in May 2014, aka "MSCOMCTL ASLR Vulnerability."

    vulncheck.com

References