Heap buffer overflow in finfo_buffer
CVE-2022-31627

7.7HIGH

Key Information:

Vendor

PHP Group

Status
PHP
Vendor
CVE Published:
28 July 2022

What is CVE-2022-31627?

In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

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Affected Version(s)

PHP 8.1.X < 8.1.8

References

https://bugs.php.net/bug.php?id=81723
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220826-0008/
x_refsource_CONFIRM
https://security.gentoo.org/glsa/202209-20
vendor-advisoryx_refsource_GENTOO

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

reported by xd4rker at gmail dot com
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