CVE-2006-4020
Last modified
CVE-2006-4020 is a vulnerability of currently unknown severity. scanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping, which increments an index past the end of an array and triggers a buffer over-read.. EPSS estimates a 1.54% chance of exploitation in the next 30 days.
Description
scanf.c in PHP 5.1.4 and earlier, and 4.4.3 and earlier, allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping, which increments an index past the end of an array and triggers a buffer over-read.
Metrics
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Php | Php | 4.0 | — |
| Php | Php | 4.0.0 | — |
| Php | Php | 4.0.1 | — |
| Php | Php | 4.0.2 | — |
| Php | Php | 4.0.3 | — |
| Php | Php | 4.0.4 | — |
| Php | Php | 4.0.5 | — |
| Php | Php | 4.0.6 | — |
| Php | Php | 4.0.7 | — |
| Php | Php | 4.1.0 | — |
| Php | Php | 4.1.1 | — |
| Php | Php | 4.1.2 | — |
| Php | Php | 4.2 | — |
| Php | Php | 4.2.0 | — |
| Php | Php | 4.2.1 | — |
| Php | Php | 4.2.2 | — |
| Php | Php | 4.2.3 | — |
| Php | Php | 4.3.0 | — |
| Php | Php | 4.3.1 | — |
| Php | Php | 4.3.2 | — |
| Php | Php | 4.3.3 | — |
| Php | Php | 4.3.4 | — |
| Php | Php | 4.3.5 | — |
| Php | Php | 4.3.6 | — |
| Php | Php | 4.3.7 | — |
| Php | Php | 4.3.8 | — |
| Php | Php | 4.3.9 | — |
| Php | Php | 4.3.10 | — |
| Php | Php | 4.3.11 | — |
| Php | Php | 4.4.0 | — |
| Php | Php | 4.4.1 | — |
| Php | Php | 4.4.2 | — |
| Php | Php | 4.4.3 | — |
| Php | Php | 5.0 | Rc1 |
| Php | Php | 5.0.0 | — |
| Php | Php | 5.0.1 | — |
| Php | Php | 5.0.2 | — |
| Php | Php | 5.0.3 | — |
| Php | Php | 5.0.4 | — |
| Php | Php | 5.0.5 | — |
| Php | Php | 5.1.0 | — |
| Php | Php | 5.1.1 | — |
| Php | Php | 5.1.2 | — |
| Php | Php | 5.1.4 | — |
References
- http://bugs.php.net/bug.php?id=38322Exploit, Patch
- http://www.plain-text.info/sscanf_bug.txtExploit, URL Repurposed
- http://www.securityfocus.com/archive/1/442438/30/0/threadedExploit, Patch, Vendor Advisory
- http://bugs.php.net/bug.php?id=38322Exploit, Patch
- http://www.plain-text.info/sscanf_bug.txtExploit, URL Repurposed
- http://www.securityfocus.com/archive/1/442438/30/0/threadedExploit, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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