CVE-2020-7061: heap-buffer-overflow in phar_extract_file
First published: Mon Feb 17 2020(Updated: )
In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash.
Credit: security@php.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| <7.3.15 | 7.3.15 | |
| PHP PHP | >=7.2.0<=7.2.27 | |
| PHP PHP | >=7.3.0<=7.3.14 | |
| PHP PHP | >=7.4.0<=7.4.2 | |
| Microsoft Windows | ||
| Tenable Tenable.sc | <5.19.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-7061?
CVE-2020-7061 is a fixed bug in PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3 that could cause a heap-buffer-overflow in phar_extract_file.
What is the severity of CVE-2020-7061?
CVE-2020-7061 has a severity rating of 9.1 (critical).
How does CVE-2020-7061 affect software?
CVE-2020-7061 affects PHP versions 7.2.0 to 7.2.27, 7.3.0 to 7.3.14, and 7.4.0 to 7.4.2.
What are the potential impacts of CVE-2020-7061?
CVE-2020-7061 could potentially lead to information disclosure or crash.
Where can I find more information about CVE-2020-7061?
More information about CVE-2020-7061 can be found at the following references: [link1], [link2], [link3].
- collector/nvd-index
- agent/type
- agent/softwarecombine
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- collector/php-changelog
- source/PHP
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- vendor/php
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- version/php php/7.2.0
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- version/php php/7.4.0
- version/php php/7.4.2
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- canonical/tenable tenable.sc