The intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in…
Priority LOW 13CWE-200Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
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, might allow remote attackers to obtain sensitive information via a URI with a % (percent) character as its (1) last or (2) second-to-last character, in situations where a certain "post-URL data" buffer contains a 0x0000 character but a buffer overflow does not occur.
Why it matters now
EPSS 0.01303 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:intuit:quickbooks:2009:*:*:*:*:*:*:* | 2009 | Vulnerable | Intuit |
| cpe:2.3:a:intuit:quickbooks:2010:*:*:*:*:*:*:* | 2010 | Vulnerable | Intuit |
| cpe:2.3:a:intuit:quickbooks:2011:*:*:*:*:*:*:* | 2011 | Vulnerable | Intuit |
| cpe:2.3:a:intuit:quickbooks:2012:*:*:*:*:*:*:* | 2012 | Vulnerable | Intuit |
| cpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:a:intuit:quickbooks:2009:*:*:*:*:*:*:* Versions 2009 Vulnerable ·Intuit
- cpe:2.3:a:intuit:quickbooks:2010:*:*:*:*:*:*:* Versions 2010 Vulnerable ·Intuit
- cpe:2.3:a:intuit:quickbooks:2011:*:*:*:*:*:*:* Versions 2011 Vulnerable ·Intuit
- cpe:2.3:a:intuit:quickbooks:2012:*:*:*:*:*:*:* Versions 2012 Vulnerable ·Intuit
- cpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-2420
- 2026-10-03 Alias added: GHSA-4gjp-wgmq-qr4c
More Intuit Quickbooks vulnerabilities
- TI-2007-06093 Multiple stack-based buffer overflows in the awApi4.AnswerWorks.1 ActiveX control in… CVSS 2.0HIGH 9.3
- TI-2007-00313 Multiple stack-based buffer overflows in the Intuit QuickBooks Online Edition ActiveX… CVSS 2.0HIGH 9.3
- TI-2007-04329 Multiple unspecified vulnerabilities in the Intuit QuickBooks Online Edition ActiveX… CVSS 2.0HIGH 9.3
- TI-2012-02144 Heap-based buffer overflow in the intu-help-qb (aka Intuit Help System Async Pluggable… CVSS 2.0MEDIUM 6.8
- TI-2010-04896 Multiple untrusted search path vulnerabilities in Intuit QuickBooks 2010 allow local… CVSS 2.0MEDIUM 6.9
- TI-2012-02148 Intuit QuickBooks 2009 through 2012 might allow remote attackers to obtain pathname… CVSS 2.0LOW 2.9
Sources
- CVE-2012-2420 · CVE Program
- CVE-2012-2420 · NVD
- FIRST EPSS
- GHSA-4gjp-wgmq-qr4c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences