CVE-2006-4020

UnknownEPSS 1.54%

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

EPSS Probability
1.54%

71.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
PhpPhp4.0
PhpPhp4.0.0
PhpPhp4.0.1
PhpPhp4.0.2
PhpPhp4.0.3
PhpPhp4.0.4
PhpPhp4.0.5
PhpPhp4.0.6
PhpPhp4.0.7
PhpPhp4.1.0
PhpPhp4.1.1
PhpPhp4.1.2
PhpPhp4.2
PhpPhp4.2.0
PhpPhp4.2.1
PhpPhp4.2.2
PhpPhp4.2.3
PhpPhp4.3.0
PhpPhp4.3.1
PhpPhp4.3.2
PhpPhp4.3.3
PhpPhp4.3.4
PhpPhp4.3.5
PhpPhp4.3.6
PhpPhp4.3.7
PhpPhp4.3.8
PhpPhp4.3.9
PhpPhp4.3.10
PhpPhp4.3.11
PhpPhp4.4.0
PhpPhp4.4.1
PhpPhp4.4.2
PhpPhp4.4.3
PhpPhp5.0Rc1
PhpPhp5.0.0
PhpPhp5.0.1
PhpPhp5.0.2
PhpPhp5.0.3
PhpPhp5.0.4
PhpPhp5.0.5
PhpPhp5.1.0
PhpPhp5.1.1
PhpPhp5.1.2
PhpPhp5.1.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2006-4020?
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.
How severe is CVE-2006-4020?
Severity scoring for CVE-2006-4020 is pending analysis. The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.
How do I fix CVE-2006-4020?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-4020?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST