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CVE-2007-1777

HighPublished

Integer overflow in the zip_read_entry function in PHP 4 before 4.4.5 allows remote attackers to execute arbitrary code via a ZIP archive that contains an...

Published: Mar 30, 2007
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Mar 27, 2007

Primary CVSS

7.5/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS probability estimate

15.3%

Moderate · next 30 days

Percentile: 96.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Integer overflow in the zip_read_entry function in PHP 4 before 4.4.5 allows remote attackers to execute arbitrary code via a ZIP archive that contains an entry with a length value of 0xffffffff, which is incremented before use in an emalloc call, triggering a heap overflow.

Sources

PHP 4.4.4 - 'Zip_Entry_Read()' Integer OverflowExploit
Stefan Esser · php · Mar 27, 2007

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