CVE-2020-7068: Use of freed hash key in the phar_parse_zipfile function
First published: Mon Aug 03 2020(Updated: )
Fixed bug (Use of freed hash key in the phar_parse_zipfile function). (CVE-2020-7068)
Credit: security@php.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| <7.2.33 | 7.2.33 | |
| PHP PHP | >=7.2.0<7.2.33 | |
| PHP PHP | >=7.3.0<7.3.21 | |
| PHP PHP | >=7.4.0<7.4.9 | |
| Debian Debian Linux | =10.0 | |
| Tenable Tenable.sc | <5.19.0 | |
| debian/php7.3 | 7.3.31-1~deb10u1 7.3.31-1~deb10u5 | |
| debian/php7.4 | 7.4.33-1+deb11u4 |
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Reference Links
- https://bugs.php.net/bug.php?id=79797
- https://security.gentoo.org/glsa/202009-10
- https://security.netapp.com/advisory/ntap-20200918-0005/
- https://www.debian.org/security/2021/dsa-4856
- https://www.tenable.com/security/tns-2021-14
- https://www.php.net/ChangeLog-7.php#7.2.33 (Advisory)
- https://bugs.php.net/79797
- https://git.php.net/?p=php-src.git;a=commit;h=7355ab81763a3d6a04ac11660e6a16d58838d187
- https://security-tracker.debian.org/tracker/CVE-2020-7068
Frequently Asked Questions
What is CVE-2020-7068?
CVE-2020-7068 is a vulnerability in PHP that allows for the use of a freed hash key in the phar_parse_zipfile function.
How does CVE-2020-7068 affect PHP?
CVE-2020-7068 affects PHP versions up to and excluding 7.2.33.
What is the severity of CVE-2020-7068?
The severity of CVE-2020-7068 is not specified.
How can I fix CVE-2020-7068?
To fix CVE-2020-7068, update PHP to version 7.2.33 or later.
Where can I find more information about CVE-2020-7068?
More information about CVE-2020-7068 can be found in the PHP ChangeLog at https://www.php.net/ChangeLog-7.php#7.2.33.
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