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Vulnerability record · CVE-2012-2418 · published 25 April 2012

CVE-2012-2418: Intuit quickbooks memory buffer overflow vulnerability

Intuit · Quickbooks

Heap-based buffer overflow in the intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 2009 through 2012, when Internet Explorer is used, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a URI with a % (percent) character as its (1) last or (2) second-to-last character.

6.8 CVSS 2.0 Medium EPSS 3.2% · top 12.5% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 2009 through 2012, when Internet Explorer is used, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a URI with a % (percent) character as its (1) last or (2) second-to-last character.

AV:A/AC:H/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/80820
http://www.kb.cert.org/vuls/id/232979 US Government Resource
http://www.securityfocus.com/archive/1/522138 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/75170
http://osvdb.org/80820
http://www.kb.cert.org/vuls/id/232979 US Government Resource
http://www.securityfocus.com/archive/1/522138 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/75170

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2007-6387Intuit bookkeeping memory buffer overflow vulnerabilityMultiple stack-based buffer overflows in the awApi4.AnswerWorks.1 ActiveX control in awApi4.dll 4.0.0.42, as used by Vantage Linguistics AnswerWorks,…EPSS 38%9.3CVE-2007-0322Intuit quickbooks memory buffer overflow vulnerabilityMultiple stack-based buffer overflows in the Intuit QuickBooks Online Edition ActiveX control before 10 allow remote attackers to execute arbitrary c…EPSS 6.0%9.3CVE-2007-4471Intuit quickbooks path traversal vulnerabilityMultiple unspecified vulnerabilities in the Intuit QuickBooks Online Edition ActiveX control before 10 allow remote attackers to create or overwrite …EPSS 5.2%6.9CVE-2010-5198Intuit quickbooks vulnerabilityMultiple untrusted search path vulnerabilities in Intuit QuickBooks 2010 allow local users to gain privileges via a Trojan horse (1) dbicudtx11.dll, …EPSS 0.35%2.9CVE-2012-2422Intuit quickbooks information exposure vulnerabilityIntuit QuickBooks 2009 through 2012 might allow remote attackers to obtain pathname information via the qbwc://docontrol/GetCompanyFile functionality.EPSS 1.1%1.8CVE-2012-2419Intuit quickbooks vulnerabilityMemory leak in the intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 200…EPSS 1.0%1.8CVE-2012-2420Intuit quickbooks information exposure vulnerabilityThe intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 2009 through 2012,…EPSS 1.3%1.8CVE-2012-2421Intuit quickbooks path traversal vulnerabilityAbsolute path traversal vulnerability in the intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dl…EPSS 0.80%

Source: NIST National Vulnerability Database (record CVE-2012-2418), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.