CVE-2010-0188

Advisory: CVE-2010-0188 – Adobe Reader/Acrobat Unspecified Vulnerability

AI-generated analysis based on the vulnerability data on this page.

Summary

Adobe Reader and Acrobat versions 8.x before 8.2.1 and 9.x before 9.3.1 contain an unspecified vulnerability. A remote attacker can exploit this flaw to cause a denial of service (application crash) or potentially achieve arbitrary code execution. The exact attack vector has not been publicly disclosed.

Background

Adobe Reader and Acrobat are widely deployed document-viewing and PDF-manipulation applications used in enterprise and consumer environments globally. In early 2010, Adobe released a security bulletin (APSB10-07) addressing multiple vulnerabilities in these products. CVE-2010-0188 is one of the issues remediated in that update. The widespread use of PDF viewers makes any vulnerability in this software class a high-value target for threat actors.

Root Cause

The specific root cause of this vulnerability is unspecified in available sources. The corresponding CWE identifier is not provided in the NVD record. Based on the advisory context, the flaw likely stems from improper handling of malformed PDF content or insufficient validation of document structures during parsing, but this cannot be confirmed from the disclosed data.

Impact

The CVSS v2 base score of 9.3 (Critical) reflects a network-accessible attack vector requiring no authentication and yielding complete compromise of confidentiality, integrity, and availability. The CVSS v3 score of 7.8 (High) refines this to a local attack context with low privileges required, still resulting in high impact across all three security pillars.

In practical terms, successful exploitation could allow an attacker to:

• Crash the application (denial of service)
• Execute arbitrary code within the context of the user running Adobe Reader or Acrobat

The EPSS score of 0.88246 (99.75th percentile) indicates an exceptionally high probability of exploitation in the wild, and the CISA Known Exploited Vulnerabilities (KEV) catalog confirms active exploitation as of 2022-03-03.

Exploitation Walkthrough

Ethics & Legal Notice: The following information is provided for defensive and awareness purposes only. Attempting to exploit systems without explicit authorization is illegal and unethical. Security practitioners should use this knowledge to improve detection and hardening, not to attack systems they do not own.

Because the exact vulnerability mechanism is undisclosed, a precise technical walkthrough is not available. However, historical patterns for Adobe Reader vulnerabilities of this era typically involve:

1. Delivery: An attacker distributes a maliciously crafted PDF file via email, web download, or file share.
2. Triggering: The victim opens the PDF in a vulnerable version of Adobe Reader or Acrobat.
3. Execution: The malformed document triggers a memory corruption condition (e.g., buffer overflow, use-after-free, or integer overflow) during parsing, leading to arbitrary code execution.

Defensive teams should treat any unsolicited PDF with suspicion and ensure that document parsers run in sandboxed or isolated environments where possible.

Affected and Patched Versions

Affected:

• Adobe Acrobat 8.x before 8.2.1
• Adobe Acrobat 9.x before 9.3.1
• Adobe Reader 8.x before 8.2.1
• Adobe Reader 9.x before 9.3.1

Patched:

• Adobe Acrobat and Reader 8.2.1 and later
• Adobe Acrobat and Reader 9.3.1 and later

Remediation

1. Upgrade immediately. Apply Adobe security update APSB10-07 to bring affected installations to version 8.2.1, 9.3.1, or later.
2. Compensating controls. If patching is not immediately feasible:
   • Disable JavaScript execution in Adobe Reader/Acrobat preferences (many historical exploits relied on JavaScript).
   • Implement application whitelisting to prevent execution of unapproved binaries.
   • Use Protected Mode (sandbox) features available in newer Adobe Reader versions.
   • Consider using alternative PDF viewers for non-essential document handling.

Detection

• Monitor endpoint logs for unexpected Adobe Reader/Acrobat crashes followed by suspicious child process creation.
  • Look for AcroRd32.exe or Acrobat.exe spawning command shells, PowerShell, or unusual network connections.
• Inspect email gateways and web proxies for PDF attachments or downloads that match known malicious hashes associated with this CVE.
• Correlate endpoint detection alerts with the CISA KEV entry for CVE-2010-0188 to prioritize incident response.

Assessment

This vulnerability carries both a near-maximum CVSS v2 score and an extremely high EPSS probability, compounded by confirmed inclusion in the CISA KEV catalog. The combination of widespread software deployment and proven in-the-wild exploitation makes this a critical patching priority even for legacy environments. The absence of a disclosed CWE or detailed root cause underscores a broader lesson: when vendors release security updates without full technical details, defenders should patch proactively rather than wait for proof-of-concept disclosure.

Key lessons:

1. Patch velocity matters. The gap between patch release (2010) and KEV catalog inclusion (2022) suggests long-tail exploitation of legacy endpoints; organizations must maintain visibility into outdated software.
2. EPSS complements CVSS. A CVSS score tells you severity; an EPSS score tells you likelihood. Together, they provide a more actionable risk signal for vulnerability prioritization.

References

• http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
• http://secunia.com/advisories/38639
• http://secunia.com/advisories/38915
• http://securitytracker.com/id?1023601
• http://www.adobe.com/support/security/bulletins/apsb10-07.html
• http://www.redhat.com/support/errata/RHSA-2010-0114.html
• http://www.securityfocus.com/bid/38195
• http://www.vupen.com/english/advisories/2010/0399
• https://exchange.xforce.ibmcloud.com/vulnerabilities/56297
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8697
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0188