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osvGoogleOSV:BIT-PHP-2020-7062
HistoryMar 06, 2024 - 11:07 a.m.

BIT-php-2020-7062

2024-03-0611:07:23
Google
osv.dev
4
php version 7.2
php version 7.3
php version 7.4
file upload
progress tracking
session cleanup
null pointer dereference
crash

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.6 Medium

AI Score

Confidence

Low

0.007 Low

EPSS

Percentile

80.8%

JSON

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.

CPENameOperatorVersion
phpge7.2.0
phplt7.3.14
phpge7.4.0
phpge7.3.0
phplt7.2.27
phplt7.4.2

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4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.6 Medium

AI Score

Confidence

Low

0.007 Low

EPSS

Percentile

80.8%

JSON
Related for OSV:BIT-PHP-2020-7062
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